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A human cell has an abnormal sex chromosome constitution of XXY. Where could the non-disjunction event have occurred? SelectConsider the following western blot for tubulin. Each lane represents a different cell line culture. What can be concluded fr

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Answer #1

1. Answer: Option E is correct
Explanation:
XXY = Klinefelter's syndrome
It is an example of hyperploidy of allosomes.
It can be due to nondisjunction in mother or father.
a. Paternal meiosis-I
b. Maternal meiosis-I
c. Maternal meiosis-II

2. Answer: Option A is correct
Explanation:
Western blotting is used to identify the expression of a protein.
It utilizes a specific antibody for the detection of proteins.
In the given case,
The presence of the beta-tubulin band in all lanes indicates that it is expressed in all samples.

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