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Feliz [49]
3 years ago
14

In the summer, the arctic fox appears brown

Biology
1 answer:
Nadya [2.5K]3 years ago
4 0
The color change is most likely due to the effect of "<span>(3) environmental conditions on gene expression" All these changes have to do with what will keep the fox alive for the longest amount of time. </span>
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Each P1 parent of a monohybrid cross has completely identical genes<br> ture<br> false
lawyer [7]

Answer:

False.

Explanation:

Monohybrid cross may be defined as the cross done by taking the single character at the time. The monohybrid cross explains the concept of dominance and law of segregation.

The P1 parent of monohybrid cross doesnot have completely identical genes. This can be explained by the cross shown below:

Parent         Tt           ×       tt

Gamete         T  t           ×     t

Here, the parents are not identical.  

Thus, the answer is falsi.      

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3 years ago
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3 years ago
An example of a(n) is the brain, spinal cord, and nerves working together.
adelina 88 [10]

Answer:

system

Explanation:

An example of an organ system is the brain, spinal cord, and nerves working together.

<em>A system is a level of organization in living organisms in which body organs work together to perform similar functions. The organ system represents the highest level of body organization as opposed to organ, tissue, and cell level of organization.</em>

The cell is the smallest unit of organization of the body of living organisms. At the tissue level, cells aggregate together to perform similar functions while at the organ level, similar tissues come together to perform somewhat similar roles in the body of organisms.

<u>The brain, spinal cord, and nerves each represent an organ. When these work together in the body of organisms, the level of organization is described as organ systems or simply systems. </u>

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