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Assoli18 [71]
4 years ago
8

Differentiate external and internal environment factors in influencing Gene expression​

Biology
1 answer:
Scilla [17]4 years ago
3 0

Answer Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.

Explanation:

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If mice from the F1 generation are crossed, their offspring are the .
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Answer: The answer is the F2 Generation!

Explanation:

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3 years ago
Which factor does not affect the apparent brightness of a star?
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Answer:

how old the star is

Explanation:

There are many characteristics that affect the brightness of stars. If two stars are the same temperature, same age, and same distance from the Earth, the larger one will appear brighter. If the temperature, age, or size is different, the one closest to Earth will appear brighter, even if that is the smaller one.

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3 years ago
5. After you have found a new species of ape, you spend 10 years in the field seeking a fossil of its ancestor. You do not find
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Answer:

This lack of fossil data is expected, because the fossil record is incomplete.

Explanation:

Fossilization is a slow, complex and extremely rare process that depends on several favorable conditions for the conservation of traces or materials left by an organism:

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2 - Presence of rigid parts that are more resistant to degradation;

3 - The type of sediment should be thin and less prone to erosion.

4 - The environment in which the material is located should be low in oxygen to avoid degradation due to oxidation.

5 - The temperature of the place where the material is buried should preferably be cold because the action of decomposing microorganisms in these environments is much lower.

Therefore, it is very common and expected that the fossil record is incomplete.

3 0
3 years ago
Which statement best describes codominance and incomplete dominanace
Lynna [10]

Answer:

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In incomplete dominance, the organisms with heterozygous genotype (Aa) will have a blended trait instead of showing dominant trait because dominant gene (A) cannot show itself necessarily in appearance (phenotype). For example, when a plant with homozygous red flower (dominant and AA)  is crossed with white flower (recessive- aa), the resulting offspring will all have heterozygous flowers (Aa) and pink (blended), instead of showing dominant trait (red).

Explanation:

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