The Smith children, although genetically related, all show slight variations in the color of their hair. These variations are most likely the result of

Answers

Answer 1

These variations are most likely the result of polygenic effects. Polygenic traits are controlled by many genes.

Polygenes and inheritance

The phenotype is any observable feature of an organism, which depends on genotype and environment.

The inherited genes largely determine different phenotypic features (e.g., eye color, weight, etc).

Traits controlled by a single gene are called monogenic, whereas traits controlled by two or more genes are known as polygenic.

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Related Questions

The space inside a table cell between the text and the cell borders.

Answers

Answer:

Cell margin. The space inside a table cell between the text and the cell borders-top, bottom, left, and right. Column Width.

What is the MOST specific classification that humans and tigers have in common?



Question 18 options:

Order


Phylum


Kingdom


Class

Answers

phylum

Explanation:

Chordata phylum of the Animalia kingdom? They have backbones.

Answer:

Class

Explanation:

I just took the test

The purpose of the microscope condenser is to ______.

Answers

Answer: I think its to clean it.

Explanation:

Most of the atp production during cellular respiration occurs __________.

Answers

Answer:

Cellular respiration takes place in both the cytosol and mitochondria of cells.

Explanation:

The energy produced by the mitochondria is stored as potential energy in molecules called adenosine triphosphate (ATP). The main chemical produced in cellular respiration is ATP.

Albinism is inherited as a simple recessive trait. If a woman and her husband are both heterozygous for albinism then what is the probability that their first five children will have these phenotypes

Answers

Answer:

albino * normal * normal * albino * normal= 1/4 * 3/4 * 3/4 * 1/4 * 3/4= 27/1024

Explanation:

i dont know

which statement about DNA is true
A. Different people can have the same copy of DNA in their cells
B. DNA is made up of genes that carry hereditary information
C. DNA controls the Genotype but not the phenotype of an organism
D. DNA controls the genotype only in the second and third generations

Answers

Answer:

Hello!!

which statement about DNA is true?

the statement about DNA that is true is...

B. DNA is made up of genes that carry hereditary information

Hope this helps!!

Why can steroid hormones pass through the plasma and nuclear membranes?.

Answers

because they are lipophilic, meaning they combine or dissolve in lipids or fats.

5. Mary has blood type A and she marries John , whose blood type is B. They have three
children: Joan. James and Pete. Joan has blood type 0, James has blood type A, and Pete has
blood type B. Explain how this is possible.

Answers

Answer:

Mary's genotype must be IAi while John's must be IBi. When the gametes met up at each conception, Joan got ii, James got IAi, and Pete got IBi.

Explanation:

Which factor produced most of the oxygen that is found in the atmosphere today?.

Answers

The layer of the gases that surrounds the planet and is found in the layers of the planet held by gravity is called the atmosphere.  It comprises many gases in certain ratios and varies in temperature according to altitude.

Living organisms produce most of the oxygen that is found in the atmosphere.

How a living organism plays role in oxygen production?

Oxygen is the most essential and crucial gas required for the survival of the organism and the process that occurs.

Living organisms like plants and trees are the major source for oxygen production and yield them by the process of photosynthesis. They utilize atmospheric inorganic resources like water, carbon dioxide and sun energy to create glucose(food molecule) and oxygen.

Even small microscopic organisms like cyanobacteria use inorganic components and synthesize oxygen. Thus, phytoplankton and microorganisms also contribute to oxygen production.

Therefore, living organisms yields most of the oxygen.

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Answer:

Which factor produced most of the oxygen that is found in the atmosphere today?

living organisms

Explanation:

just took the test

Ordinary table salt is sodium chloride. What is baking soda?

Answers

Answer:

Sodium bicarbonate, commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO₃. It is a salt composed of a sodium cation and a bicarbonate anion. Sodium bicarbonate is a white solid that is crystalline, but often appears as a fine powder.

not sure tho.

It's formula is NaHCO3. Baking Soda is a salt compound has sodium cation (Na+) and bicarbonate anion (HCO3–). The chemical compound, Sodium bicarbonate is commonly called as Baking Soda. It's formula is NaHCO3.

How do plants obtain the water and carbon dioxide they use for this process?.

Answers

plants use their roots to get water, they collect carbon dioxide through openings on their leaves called stomata.

Why is the distribution of aquifers in the region uneven?
A. Aquifers reform each year in large, flat areas where water collects after storms.
B. Aquifers form evenly in all areas, but people use the water at different rates in different locations.
C. Aquifers store water underground near locations where people have a high demand for the resource.
D. Aquifers form in areas with specific geologic layers that trap and store water over long periods of time.

Answers

It is d because the Aquifer forms

i need help pls somebody​

Answers

YY and Yy
Hope this helps

The Earth’s crust is _____________ enough to sustain _____________.

Answers

the inner layer of the earth

can someone explAIN THIS

Answers

I would say C because the line is next to 875 for water potential

A type of transport protein that is an open passageway for the facilitated diffusion of ions or molecules across a membrane.

Answers

Answer:

A gated channel protein is a transport protein that opens a "gate," allowing a molecule to pass through the membrane. Gated channels have a binding site that is specific for a given molecule or ion.

how are cells and tissue in the liver affected by crigler-najjar syndrome

Answers

The unconjugated bilirubin collects in the child's liver and spleen, enters circulation, and then builds up in other tissues such as the eyes and skin. This buildup causes jaundice and eventually nerve and brain damage.

The name given to the mass of living material in an organism or population is... what?

Answers

Answer:

Biomass

Explanation:

It is the right answer according to biology.

In snapdragon flowers, the allele for flower color shows incomplete
dominance. Flowers can be red (RR), white (WW), or pink (RW).
4. Two pink flowers are crossed how many offspring (%) are:
Red? % red?
White? % white?
Pink ?. % pink?

Answers

Answer:To get the most pink flowers, a red and white rose plant must be mated. Red would have two red alleles--RR and white would have two white alleles--WW. In this cross, all of the offspring would inherit one red allele and one white allele-RW and would be 100 percent pink!

Explanation:

In eukaryotes, cellular respiration takes place in the.

Answers

Answer:

mitochondria

Explanation:

Read the following descriptions of two different types of precipitation. Then, decide if they are both true or not.

Rain: occurs when the air above and below clouds are both above freezing; most likely in the summer
Sleet: occurs when the air above and below clouds are both below freezing; most likely in the winter
Are the descriptions true?

A) The description of rain is true, but the description of sleet is false.

B) Both descriptions are inaccurate and false.

C) Both descriptions are accurate and true.

D) The description of sleet is true, but the description of rain is false.

Answers

Answer: A!

Explanation: I got it correct on the test.

In what direction does blood flow through the heart?.

Answers

Answer:

The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.

Explanation:

The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.

What adaptations do grizzly bears have that make them able to survive in their ecosystem?
a.) They are carnivores
b.) They are herbivoures
c.) They are omnivores
d.) They are producers

Answers

The answer is C. They are omnivores and get their energy from plants and animals.

In stratified epithelium, the cells in the deepest layer are often a different shape than the cells in the most superficial layer. This tissue is classified according to the shape of the cells in the ______ layer

Answers

Stratified epithelium is classified according to the shape of the cells in the apical layer, that is the layer towards the surface.

How is the stratified epithelial tissue classified?

Stratified epithelium refers to the tissue that consists of two or more layers of epithelial cells. The main purpose of this multilayer is to protect the underlying tissues. These are present in areas that are more prone to wear and tear.

Stratified epithelium is classified on the basis of type of cell at the apical layer and underneath layers of cells can be varying. The types of stratified epithelium are as follows:

1. Stratified squamous epithelium - the cells at the apical layer are squamous, that is flat-shaped. Involved mainly in protection.  

2. Stratified cuboidal epithelium - the cells at the apical layer are like cubes or hexagons. Involved in secretion and absorption as well as protection.

3. Stratified columnar epithelium - the cells at the apical layer are tall like columns and have cilia or villi, specialized for secretion and absorption.

4. Transitional epithelium - these apical layer cells are able to change shape to cuboidal or columnar, located in structures that are capable of expanding and contracting.  

Thus, the correct answer is apical layer.

Learn more about stratified epithelium in

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#SPJ2

Please help!!! I don't need a long explanation or anything.

Answers

Its c

Forget this random words i have to type 20 words to answer this

When you place raw chicken on a plate and then use the same plate to put the cooked chicken on…. this is a example of what

Answers

Cross Contamination

A physician takes a biopsy, or tissue sample, from the skin of a patient. Which observation of the cells in the tissue would most strongly support the conclusion that the patient has skin cancer? A. Many cells in the tissue sample appear identical to one another. B. All of the cells are packed closely together. C. Some of the cells were dead when the biopsy was obtained. D. A group of cells appear larger and rounder than surrounding cells.

Answers

The study of cells is called cell biology. There are two types of the cell on the basis of their number and these are unicellular and multicellular.

The correct answer to the question is option B that is  All of the cells are packed closely together.

What is a biopsy?A biopsy is a medical test commonly performed by a surgeon, interventional radiologist, or interventional cardiologist. The process involves the extraction of sample cells or tissues for examination to determine the presence or extent of a disease.

According to the question, the cancer cell is defined as the cell which loses its dividing property and divides unconditionally in a specific position from a clumped and called cancer cell.

Cell regulates its division with the contact of other cells and this property is known as contact inhibition.

Hence, The correct answer to the question is option B.

For more information about the question, refer to the link:-

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In a dna double helix, the bases of complementary strands are held together by:.

Answers

Answer:

Hydrogen bonds

Explanation:

How does each new cell formed by cell division differ from the mature cell?
O A. Each new cell has a larger ratio of surface area to volume.
B. Each new cell has a smaller ratio of surface area to volume.
O c. Each new cell has different information in its nucleus.
D. Each new cell has fewer chromosomes in its nucleus.

Answers

Answer

B. Each new cell has a smaller ratio of surface area to volume.

Compare and contrast a cell found in the skin of a tomato with a cell found in the skin of a human.
What functions are unique to plant cells? What functions are unique to animal cells? What functions are common between the two?

Answers

Answer:The most characteristic feature of plant cells is their rigid cell wall. Human cells only have a cell membrane. The cell wall is primarily made of cellulose, which is composed of glucose monomers. ... Furthermore, the cell wall also prevents dangerous pathogens from entering the cell.

Explanation:

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