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-Dominant- [34]
3 years ago
9

The key lesson learned by the fact that thalidomide showed no impact when tested on prenatal rabbits but led to birth defects in

prenatal humans is that
Biology
1 answer:
drek231 [11]3 years ago
3 0

Answer: Here are the options.

A. Teratogens impact different genotypes differently.b.teratogens impact specific aspects of development.c.teratogen effects may not emerge until later in life.d.teratogen effects are the same regardless of the time when the individual is exposed.

The key lesson is that teratogens impact different genotypes differently or in different ways.

Explanation:

thalidomide is a tetratogen , a substance that will have a physical or functional defect on an embryo after the pregnant mother is exposed to the substance. This disturb the physical development of the child. It became popular to treat morning sickness in pregnancy but was discovered to result in major limb deformities;

Tetratogen impact different genotypes in different ways because different genotypes have different ways they respond to tetratogens because of their level exposure and subscetability. This the main reason thalidomide showed no impact when tested on prenatal rabbits but led to birth defects in prenatal humans. The genotypes of prenatal rabbits are not subscetiple to tetratogens compare to that of the developing embryo on exposure.

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Explain how the circulatory system is able to transport the blood under high pressure from the heart to the rest of the body
expeople1 [14]

Transport of blood under high pressure is done through the concerted efforts of the heart and arteries.

<h2>The circulatory system is the network of the heart, arteries, veins, and capillaries responsible for the movement of blood around the body.</h2>

Transporting blood under high pressure can be explained in the following steps:

  1. Contraction of the heart ventricles creates blood under high pressure
  2. High pressured blood is removed from the heart through the arteries. In addition, the arteries are able to contract and expand, thus are elastic
  3. The lumen of the arteries is narrow thus helping in maintaining high pressure

As a result of the above, the high pressure of blood is maintained and transported to the extremities of the body.

To learn more about the circulatory system see: brainly.com/question/3305440?referrer=searchResults

SPJ12

6 0
1 year ago
What of the following is a characteristic of lactid acid fermentation
user100 [1]
It is milk because milk has lactose
8 0
3 years ago
Which best describes the purpose of president kenney peace corps program ​
finlep [7]

Answer:

To help in developing nations, by improving health care, agriculture, and other areas.

Explanation:

President Kennedy wanted to have what the Soviet Union had. He wanted the United States also to be connected in actively pursuing the cause of global democracy, development, peace, and freedom. The Peace Corps was established on March 1, 1961, as mandated by the Executive Order signed by President Kennedy. It was done to give social and economic development abroad, using technical assistance. While increasing mutual understanding between Americans and populations served.

6 0
3 years ago
26) Fill in the blanks to identify the energy transformations:
Lerok [7]

Answer:

Hope this helps :)

Explanation:

Photosynthesis converts light energy to chemical energy.

A toaster converts electrical energy to thermal energy.

A wind turbine generator converts kinetic energy to mechanical energy.

8 0
2 years ago
Which statements describe the genetic code? Check all that apply. A. It is a protein.B. It is a nucleic acid. C.It is found in D
Marina86 [1]

Answer:

B. It is a nucleic acid

F. It allows parents and their young to have similar characteristics.

Explanation:

The genetic material refers to the molecule which acts as the coding material of the organism as it contains the code of protein and thus controls the basic function of the life.

The genetic material of the organism belongs to a class of molecule called nucleic acid as they are found in the nucleus of the cell. There are two types of nucleic acids called DNA and RNA.

The genetic material gets passed from the parents to the offspring through reproduction therefore the offsprings develop the same character as of their parents.

Thus, the selected options are correct.

4 0
3 years ago
Read 2 more answers
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