how has selective breeding contributed to a wide variety of dog breeds?​

Answers

Answer 1

Answer:

In the same way that inbreeding among human populations can increase the frequency of normally rare genes that cause diseases, the selective breeding that created the hundreds of modern dog breeds has put purebred dogs at risk for a large number of health problems, affecting both body and behavior.


Related Questions

How does climate change contribute to the increase of the rate of diseases

Answers

Other diseases on the rise due to extreme weather include hantavirus, schistosomiasis, onchocerciasis (river blindness), and tuberculosis. It also causes the rise in hay fever, as when the weather gets warmer there is a rise in pollen levels in the air.

what happens to the neuron when u do drugs

Answers

Answer:

Explanation:

well different kinds of drugs can affect neuron activity an example is if you take pain pills it blocks the neurons that sense pain other drugs can give you high levels of dopamine, dopamine is the hormone that makes you feel good. that is why drug addictions are serious, and many cannot stop the addiction because it makes them feel good. and if you take the same dose over time your body gets a tolerance to the drug and you need a higher dose every time to get the same feeling and that can lead to an overdose or even death.

and no this is not copied :)

Inherited used in a sentence

Answers

I inherited my parents genes.

What is the common name for C6H1206

Answers

Answer:

Glucose

Explanation:

Answer:

Glucose

Explanation:

Glucose is a simple sugar with six carbon atoms and one aldehyde group. This monosaccharide has a chemical formula C6H12O6. It is also known as dextrose. It is referred to as aldohexose as it contains 6 carbon atoms and an aldehyde group.

How many cells do males create during meiosis? How many cells do females create
during meiosis?

Answers

Answer:

Males => 4 Females => 4

Explanation:

Answer:

sperm in males, eggs in females. During meiosis one cell? divides twice to form four daughter cells. These four daughter cells only have half the number of chromosomes? of the parent cell – they are haploid. Meiosis produces our sex cells or gametes

Explanation:

In the process of respiration, organisms generally


a. use oxygen and give off carbon dioxide


b. use nitrogen and give off carbon dioxide


c. use carbon dioxide and give off oxygen


d. use carbon dioxide and give off nitrogen

Answers

Answer:

A

Explanation:

During respiration organisms use up oxygen given off by plants and give off carbon dioxide as by product

what role do the muscles and blood vessels play in the negative feedback loop of thermoregulation?
a. sensors
b. integration centers
c. stimuli
d. effectors

Answers

Answer:

This answers may help you

2. Oxygen is carried in the blood by the:

Answers

Answer:haemoglobin

Explanation:

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.

Which of the following is a synthetic material?
a. wood
b. plastic
c. wool
d. coal










Answers

Plastic
Hope this helps !

Answer:

Your answer is B) Plastic.

Explanation:

"Synthetic" just means "human-made" or "artificial".

A), C), and D) can all be found in nature, and aren't made by humans.


1. How is natural selection related to the process of evolution?

Answers

Answer:

Natural selection is related to the process of evolution because It is one of the processes that drives change and helps to clarify the diversity of life on Earth.

Explanation:

Hope that helps

Why do the cells used for reproduction only have half (½) of the DNA that other cells have?

Answers

Answer:

Because each chromosome has a pair, these cells are called "diploid" cells. On the other hand, human sperm and egg cells have only 23 chromosomes, or half the chromosomes of a diploid cell.

Explanation:

construct a flowchart (using “->”) (or explain) that depicts all the energy transfers that occur from the sun to the milk of your cereal

Answers

Answer:

dragon warrior or whatever it is called I don't maybe I am right

Do anyone why blood is red?

Answers

Answer:

Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying oxygen through your bloodstream.

Blood gets its bright red color when hemoglobin picks up oxygen in the lungs

the oxygen essentally makes it red

Explanation:

1. Why is it important to have some access to water?

2. What physical and social factors can contribute to making water unte?

3. Why is it not safe to drink the water in the Attowopikat First Nation community

4. What would be sustainable solution to the problem of unsafe drinking water in Attawapiskat?

Answers

Answer:

1.Water is obviously essential for hydration and for food production—but sanitation is an equally important, and complementary, use of water.

2.Sedimentation.

Runoff.

Erosion.

Dissolved oxygen.

3.Ontario First Nation of Attawapiskat isn't safe. It has high levels of a chemical byproduct produced by the chlorination process in the community's ailing water plant that needs millions of dollars in repairs.

4.Boiling. This is a reliable way to purify water.

Use of Iodine solution, tablets or crystals. This is an effective and more convenient method. ...

Use chlorine drops. Chlorine has the ability to kill bacteria in water. ...

Use water filter. ...

Use Ultraviolet Light.

Why are viruses considered nonliving but bacteria are considered living? Give two reasons.
Not a long life story but a simple two reasons.

Answers

Answer:

1-Viruses also lack the properties of living things: They have no energy metabolism, they do not grow, they produce no waste products, and they do not respond to stimuli.

2-They also don't reproduce independently but must replicate by invading living cells.

Viruses are considered non living since they are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy.

Overgrazing reduces grass cover and negatively impacts the soil health by reducing it's ability to hold water . How can Overgrazing be prevented and support a more sustainable use of grasslands ?
A. Allow developers to buy rachlands for housing .
B. practice moving confined cattle every few days
C. Allow unlimited animals to graze in a given area to reach carrying capacity.
D. practice grazing an area of land at the same stage of plant growth each year .​

Answers

Answer: C. Allow unlimited animals to graze in a given area to reach carrying capacity.

Explanation: I choose this as the answer because the animals grazing in the wrong parts be part of the reason the soil can't hold the water it needs, so allowing animals in a particular area that's less of a problem with Overgrazing would be helpful

When you step
on a scale, what is being
measured?

Answers

Answer:

Although scales measure force, they give you measurements of mass in kilograms, grams, pounds, or whatever.

Explanation:

What the person above me said is correct


Explanation it’s correct I’m positive

Can someone help me please and thank you!!

Answers

Answer:

It should be the one that's selected in the image.

Explanation:

Triglycerides store unused calories and provide your body with energy. Cholesterol is used to build cells and certain hormones.

which of the following is a density dependent limiting factor?

Answers

There is no picture???

In this lab, you will simulate birds with three
different beaks. After watching the birds feed, you
will remove fruit to simulate a change in the
environment. What question are you answering by
doing this observation? Write it by filling in the
blanks below.
What is the effect of

on..

Answers

By looking at how the birds interact with fruits in different environment, you can determine where birds are from, what beaks specialize in eating what kind of food, and how those traits came to be (Darwinism)

Answer:

1.

The independent variable is the type of food available.

2.

The dependent variable is the frequency of each type of beak (or number of birds with each beak type).

Explanation:

ong

PLEASE HELP QUICK Each cell of a human male normally contains _____. A. One X chromosome and one Y chromosome B. Two X chromosomes C. One X chromosome and two Y chromosomes D. Two Y chromosomes

Answers

Answer:

The answer is A.

Explanation:

Hooters of 2 g of sugar in 500 g of water what was the mass of a solution formed formed


Will do the brainlest

Answers

Answer:

Explanation:

The answer would be 502 grams because of the law of conservation of mass, you can't create or destroy mass so then 2 grams plus 500 grams is 502.

Answer:1,000 grams

502 grams

500 grams

498 grams

Explanation: The answer would be 502 grams because of the law of conservation of mass, you can't create or destroy mass so then 2 grams plus 500 grams is 502. I am 100% positive that B is correct.

The dodo bird is now extinct. What factor would not have led to its extinction?

Answers

Answer:it was well adapted to living on the island of Mauritius

Explanation:

Hydrogen ions are found in_____________
which hydroxide ions are found in_______

A. Acids and bases
B. Bases and acids
C. Acids and salts
D. Bases and salts

Answers

Answer:

A

Explanation:

found in acid and bases

Helpppppppppppppppppppppppppppppppppp

Answers

Answer:

umm i dont understand your question

Explanation:

What happens to the hair of a hog that is infested with lice?​

Answers

Answer:

A. It clumps and falls out

Hoped this helped!

The image below shows plant cells.
What feature of cells is best demonstrated in the image?
OA Cells are the basic units of structure and make up tissues.
OB. All organisms are made up of a large number of cells.
OC. All organisms have cells with different shapes and functions.
OD. Cells are formed from other cells within the same tissue.
2021 Edmentum. All rights reserved.

Answers

C.All organisms have cells with different shapes and functions

what was not included in john dalton's description of the atom

Answers

Answer:

Nucleus containing protons and neutrons  and electrons

Explanation:

Answer:

This is what i found-

Explanation:

The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions. According to Dalton, the atoms of same element are similar in all respects.

What is the definition of a DNA Polymerase

A. Enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule
B. An enzyme that unwinds the DNA double helix during DNA replication
C. A class of nucleotides that includes adenine and guanine.
D. A bond between complimentary base pairs in DNA​

Answers

A. I hope this hopes

which cells divide more often than other cells?

Help

Answers

That means we lose around 50 million cells every day. This is a lot of skin cells to replace, making cell division in skin cells is so important. Other cells, like nerve and brain cells, divide much less often.

Skin cells need to divide as you grow. Hair follicle cells divide to produce more hair. Your lining cells (ex: stomach) and intestinal wall cells need to divide to provide new surfaces. Some cells like blood cells, nerve cells, and muscle cells do not divide after some time.
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