in pea plants, the allele for yellow seeds is dominant to the allele for green seeds. if a plant that has heterozygous yellow seeds is crossed with on
Answers
Cross between heterozygous yellow seeded plant and green seeded plant will produce 50% yellow seeded plants and 50% green seeded plants.
In general the cross between two heterozygous plants , the resulting progeny may result in the dominant phenotype. But, the recessive phenotype will also reappears in the generation . The cross between heterozygous yellow seeded plant and green seeded plant will produce 50% yellow seeded plants and 50% green seeded plants.
Hence, Mendel's experiments using pea plants, state that yellow color is autosomal dominant to green and round seeds are autosomal dominant to wrinkled seeds.
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Related Questions
Stakes have been set 50 feet apart. There is a 1 foot rise from stake 1 to stake 2 Determine the percent slope. Is it nearly level, gently sloping, sloping, or is it moderately steep?
Answers
Answer: I'd say Gently sloping, if not then nearly level cause the slope is 2%
Explanation: rise over run times 100= percentage slope
Fats, oils, and cholesterols are all types of what?
Answers
Answer:
Macromolecules
Explanation:
Fats, oils, and cholesterols are all marcomolecules (meaning big molecules) and are vital for human survival.
which of the following is not present in the central canals of osteons?
a. Lamellae
b. Lacunae
c. Periosteum
d. Canaliculi
Answers
The option that is not present in the central canals of osteons is C) Periosteum.
The central canals, also known as Haversian canals, are the cylindrical channels found in the center of osteons, which are the basic structural units of compact bone. These canals contain several important components, including:
a. Lamellae: Lamellae are concentric rings of calcified matrix that surround the central canal. They are responsible for providing strength and support to the bone.
b. Lacunae: Lacunae are small spaces or cavities within the lamellae that house osteocytes, which are mature bone cells. Osteocytes maintain the health and function of the bone tissue.
d. Canaliculi: Canaliculi are tiny channels that connect the lacunae and allow for communication and nutrient exchange between osteocytes and the central canal. They facilitate the passage of oxygen, nutrients, and waste products throughout the bone.
Periosteum, on the other hand, is a fibrous connective tissue membrane that covers the outer surface of bones. It contains blood vessels, nerves, and other components necessary for bone growth, repair, and nourishment.
However, it is not a component of the central canals of osteons, which are located deep within the bone tissue.
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Can someone please help me with this question. I’ll give you brainliest if you answer soon!!!
A square jaw is recessive to a round jaw (dominant). Is it possible for two parents with a square jaw to have a child with a round jaw? Why or why not?
Answers
Answer:
No
Explanation:
If both parents have at least one dominant allele, they cannot pass two recessive alleles to their child. 6. Therefore, it is not possible for two parents with a round jaw to have a child with a square jaw unless there is a mutation or a new genetic variation that causes the square jaw trait to appear.
Provides structural support for growth and transports materials
a) Phloem b) Cuticle c) Root d) Stem e) Pistil f) Epidermis g) Guard Cells
Answers
Answer:
A
Explanation:
it's part of the cambium later which provides transport and support to the plant
( outer cambium, xylem, inner cambium, phloem)
a plastic cube is released in water will it sink or come to the surface of water
Answers
Answer:
The plastic cube if released in water does not sink and rather floats on the surface. This called the phenomenon of buoyancy. Plastic is water repellent object and it has high rates of buoyancy, when compared to other objects. As plastic is lighter than the water it tends to float on the surface.Answer:
it floats
Explanation: it has the density lesser than water so i dosen't sink
7 Examine the diagram below and list the
cell structures that identify it as a
plant
cell.
MED
Answers
Over the years, concepts around plant cell structure have seen significant alterations. Cells were initially thought of by biologists as simple fluid-filled sacs with a few dangling particles.
How is plant cell structure illustrated?
The vastly more intricate nature of plant cells is now understood by biologists. Cells in the body can be found in a wide variety of sorts, sizes, and forms. The phrase "generalized cell" is used to describe this for descriptive purposes. Each sort of cell's characteristics is included.
The structures of a plant cell are the cell membrane, the nucleus, and the cytoplasm that sits in the middle of the two and make up a cell. Numerous, possibly even thousands, of tiny, unique structures known as organelles are found in the cytoplasm, which is made up of complex arrangements of microscopic fibers. They are mitochondria, chloroplast, endoplasmic reticulum, and Golgi apparatus.
Therefore, the above-mentioned cell structures are present in the plant cell.
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Organisms are made up of one or more _____. energies cycles cells clones
Answers
Answer:
Cells
Explanation:
━━━━━━━☆☆━━━━━━━
▹ Answer
cells
▹ Step-by-Step Explanation
All living organisms are made of cells. There are single cellular organisms, and multicellular organisms.
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sickle cell disease is a blood cell disorder. It causes an abnormality in the blood cells shape. The cell assumes the shape of a crescent. This also inhibits the cells, ability to carry oxygen leading to painful symptoms, and even death the person inherits the alleles for SED from their parent a person who is heterozygous for the sickle cell allele often shows no symptoms of the disease and is considered a carrier. A person who is homozygous recessive for the sickle cell allele will exhibit signs and symptoms of sickle cell anemia if 9% of the population exhibit signs and symptoms of the disease what percent of the population is a carrier.
Answers
The percentage of the population that is a carrier of sickle cell disease is 91%. This is calculated by subtracting the 9% of the population that exhibit signs and symptoms of the disease from the total population (100%).
What is disease?Disease is an abnormal condition that affects the body of an organism and can cause discomfort, dysfunction or even death. It is often caused by pathogens such as viruses, bacteria, fungi, parasites, or environmental factors such as radiation or chemicals. It can be caused by genetic predisposition or lifestyle choices, such as smoking or poor diet. Symptoms of a disease depend on the type and can range from mild to severe.
This leaves 91% of the population that is a carrier of the disease but does not show any symptoms. This is due to the fact that a person who is heterozygous for the sickle cell allele (has one sickle cell allele and one normal allele) typically does not show any symptoms of the disease.
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Please help I would greatly appreciate it
Answers
Answer:
Ice is less dense than water
Explanation:
Whenever a substance floats on top of another it has to be less dense.
what is happening to european and african populations as a result of high dependency ratios?european and african populations are growing younger.
Answers
As a result of high dependency ratios, European and African populations are growing younger which may result in a decrease in economic growth and productivity as well as an increase in poverty rates.
“High dependency ratios:” imply that a large portion of the population is unable to work and is instead reliant on the economically active population to support them.
When a country has high dependency ratios, it means that a large number of children and senior citizens are dependent on a smaller number of people in the working age range to support them.
This can have several negative consequences, including a decline in economic growth and an increase in poverty. The young population of European and African countries is growing due to high dependency ratios, implying that there are fewer people of working age available to support the dependent population.
In nations with high dependency ratios, there are fewer working-age people to support the dependent population, which is usually too young or too old to work. This may result in a decrease in economic growth and productivity as well as an increase in poverty rates. Furthermore, high dependency ratios may result in higher taxes and reduced social services as governments struggle to provide adequate support for dependent populations while still maintaining economic stability.
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True or False: The Mantis Shrimp break aquarium glass. *
O True
False
Answers
Some animal cells have ___, while others do not
Answers
Answer:
Centrosome or Lysosomes
Explanation:
Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not
Please give me brainliest
Explanation:
What is an organelle hat uses the suns energy to make sugar through your the process of photosynthesis
Answers
Answer:
chloroplasts
Explanation:
only plant cells have them
wa i afunwhich meal would provide he most energy as well as as the material needed to build muscle
Answers
Answer:
Whichever meal is the highest in protein.
Explanation:
Protein keeps you feeling fuller for longer, gives you long term energy and it also helps build muscle.
Unique populations groups are more vulnerable than the general population and experience greater barriers to access because:
they refuse healthcare services and get sicker
they live in suburbs and don't have access to care
they don't qualify for federal and/or state resources and are left without assistance.
they are all discriminated against because of their race and gender
Answers
Unique population groups, such as low-income individuals, elderly people, immigrants, and people with disabilities, are more vulnerable than the general population and experience greater barriers to accessing healthcare services.
One reason for this is that these populations may refuse healthcare services due to cultural or linguistic barriers, lack of trust in the healthcare system, or fear of deportation or discrimination. As a result, they may delay seeking care until their conditions worsen, leading to poorer health outcomes. Another reason is that these populations may live in suburbs or rural areas with limited access to healthcare facilities and transportation options.
This can make it difficult for them to receive preventive care or to access specialized services when needed. These populations may not qualify for federal and/or state resources, such as Medicaid or Medicare, and are left without assistance. This can lead to unmet healthcare needs and financial strain, further exacerbating their vulnerability.
The main reason unique population groups are more vulnerable and experience greater barriers to access is they don't qualify for federal and/or state resources and are left without assistance.
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which of the following statements is true of linked genes?multiple choice question.they do not assort independently and do not produce mendelian ratios for crosses tracking two or more genes.they do assort independently but do not produce mendelian ratios for crosses tracking two or more genes.
Answers
The correct statement is: They do not assort independently and do not produce Mendelian ratios for crosses tracking two or more genes.
Linked genes are genes that are located close to each other on the same chromosome.
Unlike genes that are located on different chromosomes, linked genes tend to be inherited together as a result of their physical proximity. This means that they do not assort independently during meiosis, breaking the principle of independent assortment proposed by Gregor Mendel.
When two or more genes are linked, their inheritance does not follow the expected Mendelian ratios observed for unlinked genes.
In Mendelian genetics, genes located on different chromosomes segregate independently into gametes and produce predictable ratios in offspring.
However, linked genes tend to stay together and are less likely to undergo recombination, resulting in deviations from Mendelian ratios in crosses involving multiple linked genes.
The phenomenon of genetic linkage and its impact on inheritance was one of the key discoveries in genetics that provided evidence for the existence of chromosomes and helped develop the concept of genetic mapping.
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Alice was participating in a photosynthesis lab for science class. The lab procedures instructed Alice to prepare a test tube containing water, a sprig of elodea (a common aquarium plant), and 10 g of sodium bicarbonate (NaHCO3). She was then instructed to place the test tube in front of a strong light source for one minute. Alice noticed tiny bubbles forming on the leaves of the elodea. What is the most logical explanation for why Alice saw bubbles forming on the leaves of the elodea?Group of answer choicesThe bubbles formed as a result of the hydrogen from the sodium bicarbonate mixture dissolving the elodea leaves.The bubbles formed from the release of water molecules from the elodea leaves.The bubbles formed as the elodea plant released oxygen from the elodea leaves.The bubbles formed as the elodea plant released carbon dioxide from the elodea leaves.
Answers
Step 1.
Write down the experiment data.
- tube containing water;
- alodea (photosynthetic organism);
- 10 g of sodium bicarbonate;
- light source.
Step 2.
Why bubbles are formed on the leaves of the alodea?
The experiment have all the condictions for photosynthesis, since it provides: water (that is in the tube), CO2 (because of the dissolved sodium bicarbonate), light (because of the string light source). Therefore the most ogical explanation for Alice experiment results is: the bubbles formed as the elodea plant releases oxygen from the elodea leaves, that because with all the elements in the experiment the plant can do a normal photosynthetic process that way realing oxygen in the tube and forming bubbles of "air".
True or False:
Bacteria are Eukaryotes.
Answers
Answer:
Bacteria belongs to the Prokaryotes family of microorganisms.
Explanation:
The answer is false.
The given statement is False as the Bacteria are prokaryotes usually.
What are Prokaryotes?The cells falls majorly under two categories:
- Prokaryotes and
- Eukaryotes
The single celled bacteria falls under the category of Prokaryotes.
Components of Prokaryotes are:
These cells share common component with Eukaryotes such as
- Plasma Membrane which is an outer covering separating the cell's interior from its surrounding environment.
- Cytoplasm containing cellular components.
- DNA
- Ribosomes, helpful in synthesis of proteins.
A prokaryotic cells is simple, single celled organisms lacking nucleus or other membrane bound organelle.
Prokaryotic DNA is found in the central part of the cell in the darkened region called the Nucleotide.
The diameter of these cells are smaller than Eukaryotes and allows ion and organic molecules to quickly spread to other parts of the cell.
What are Eukaryotes?A eukaryotic cell has a membrane bound nucleus and other membrane bound compartments or sacs called organelles having specialized functions.
The word eukaryotes meant true kernel or true nucleus due to presence of membrane bound nucleus in these cells.
These are found in higher level organisms including plants, animals and humans.
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A fetus has been developing for three months. What will happen next?
A. Vocal cords develop
B. External sex organs form
C. Blood starts pumping
D. Hands and feet are formed
Answers
leukemia is a cancer of the group of answer choices head and neck. white blood cells. lymph nodes. vital organs.
Answers
Leukemia is a cancer of the "white blood cells."
White blood cells are a vital component of the immune system and play a crucial role in defending the body against infections. Leukemia is a type of cancer that originates in the bone marrow and leads to the production of abnormal white blood cells, which impairs the immune system's ability to function properly.
These abnormal cells can then infiltrate various tissues and organs, including the bone marrow itself, lymph nodes, spleen, liver, and other vital organs. However, the primary origin and main focus of the leukemia disease are the white blood cells. Therefore, the correct option is "white blood cells."
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5. What was the most important advantage the North had during the Civil War?
A.It had more human resources and war material.
B.It unified popular support for the war effort
C. It had superior military leadership.
D.It had economic aid from Great Britain and France.
Answers
which level of protein structure is disrupted through the hydrolysis of peptide bonds?
Answers
The primary structure of proteins is disrupted through the hydrolysis of peptide bonds. The peptide bonds are formed between the amino acid residues during the process of protein synthesis. The level of protein structure that is disrupted by the hydrolysis of peptide bonds is the primary structure of proteins. The primary structure of proteins is the sequence of amino acids held together by peptide bonds, also known as polypeptide chains.
Hydrolysis is the process of breaking the peptide bond in proteins. During hydrolysis, the peptide bond is broken by the addition of water. A molecule of water is split into hydroxide ion (OH-) and a proton (H+) in the process. The OH- attacks the peptide bond, causing it to break, and resulting in two amino acids. The hydrolysis of peptide bonds is an important process in the digestion of proteins.
The primary structure is disrupted when hydrolysis occurs. Consequently, it impacts the higher levels of protein structure such as the secondary, tertiary and quaternary structures which are stabilized by interactions such as hydrogen bonds, disulfide bonds, and van der Waals interactions.
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What is the most accurate description of bacteria?
Answer asap
Answers
Answer: Bacteria are microscopic, single-celled organisms that thrive in diverse environments. These organisms can live in soil, the ocean and inside the human gut. Humans' relationship with bacteria is complex. Sometimes bacteria lend us a helping hand, such as by curdling milk into yogurt or helping with our digestion.
1. What is the relationship between an individual and a community?
2. What characteristics define a population?
3. Why is the distinction between a community and an ecosystem important to ecologists?
4. Define species.
5. What is an ecosystem?
6. Define population. How is a population different from a community?
Answers
Explanation:
1.) The relationship between an individual and a community is very close. Essentially, "society" is the regularities, customs, and ground rules of anti-human behaviour.2.) The number of people who live in a particular area, region, City, or country.4.) A group of plants and animals that are all the same and that can breed together.5.) All the plants and animals in a particular area consisted together with their surroundings.6.) A population is a group of organisms belonging to the same species that live in the same area and interact with one another. A communist is all of the population of different spices that live in the same area and interact with one another. A communist is composed of all of the biotic factors of the area.if the heritability (narrow sense) of horn length is constant at 0.5, and the mean before any selection (generation 0) was 2.75 mm, what would be the mean values of horn length in each generation?
Answers
the mean horn length in the next generation would be expected to increase by 0.375 mm.
Without additional information on the breeding population and the selection process, it is not possible to accurately predict the mean values of horn length in each generation.
However, the Breeder's Equation can be used as a rough estimate:
Response to selection = Selection differential x Heritability
For example, if the top 20% of individuals with the longest horns are selected for breeding and the mean horn length of this group is 3.5 mm, while the mean horn length of the entire population is 2.75 mm, the selection differential would be 0.75 mm (3.5 mm - 2.75 mm).
Assuming a heritability of 0.5, the expected response to selection would be:
Response to selection = \(0.5 x 0.75 mm = 0.375 mm\)
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What changes boy and girls go
through during puberty?
Answers
Answer:
Puberty is when a child's body begins to develop and change as they become an adult. Girls develop breasts and start their periods. Boys develop a deeper voice and facial hair will start to appear. The average age for girls to begin puberty is 11, while for boys the average age is 12.
How does the structure of the mitochondria enable such an increase of energy to be produced?
Answers
Tsar Nicholas II and Tsarina Alexandra were the Romanov rulers of Russia when the Bolshevik revolution took place in 1917. During this revolution, Tsar Nicholas II was overthrown, and the majority of his family members were killed. The remains of two of the Tsar and Tsarina’s children, Alexei and Anastasia, were never found. Suppose two people came forward who claim to be the missing Romanovs.
Which technology could only be used to identify Alexei?
DNA technology
STR analysis
mtDNA analysis
Y-chromosome analysis
Answers
The technology that could be used to identify Alexei DNA technology or Y-chromosome analysis.
How is the DNA test done to determine paternity?The paternity test is carried out through DNA, and aims to verify the degree of kinship between the person and his supposed father. This test can be done during pregnancy or after the baby is born by analyzing the blood, saliva or hairs of the mother, child and the alleged father.
What is Y chromosome analysis?The Y Chromosome test is mostly used to determine if there is a paternal relationship between two males. It is an extremely accurate and conclusive test and can be used in different situations. Any two males who are connected by a direct line can have this test done in order to determine relationship.
With this information, we can conclude that Genetic testing is a type of medical test that identifies changes in genes, chromosomes, or proteins.
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14. At mid-ocean ridges, molten material (magma) rises from the mantle and erupts as fissure volcanoes. The molten material then spreads out, pushing an older rock to both sides of the ridges. This process is called? *
Answers
Explanation:
The process is called sea-floor spreading. Ridges form along cracks (divergent boundaries) in the oceanic crust (Molten rock (magma) rises through these cracks and pushes to both sides.