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Vladimir79 [104]
2 years ago
12

Is any skin growth, such as a callus, in which there is overgrowth and thickening of the skin.

Biology
1 answer:
dexar [7]2 years ago
6 0
Hyperkeratosis is amy lesion with overgrowth and thickening of the skin, such as warts, calluses, and corns.
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You have identified a mutation in a gene that seems to decrease transcription of another gene 2000 bp away from the mutation sit
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Answer:

Enhancer sequence.

Explanation:

Enhancers may be defined as the transcription factors that are used to enhance or increase the activity of the gene. Enhancers bind with the transcription factors to regulate and increase its expression.

The mutation in the enhancers decrease the transcription of  of the other gene. These sequences lies far away from the transcription site but still known to increase the rate of transcription. Hence, the mutation has been done in the enhancer sequences.

Thus, the correct answer is option (b).

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3 years ago
Cell differentiation always involves
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Answer: (C) The production of tissue-specific proteins.

Explanation:

 The cell differentiation is the process in which the cell change from one cell place to another place. It basically occur due to the process of gene expression.

The cell differentiation involve the production of the specific tissue protein known as muscle actin. In cell differentiation, the pluripotent stem cell basically go in the specific differentiation level and then reach in the state of fully differentiation.

The fully differentiation produced a specific function that the production of the protein. Therefore, option (C) is correct.

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Which of the following is the mean number per cross of F2 generation offspring that are the result of crossing over
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Answer: B 2.2

Explanation:

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