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Mrac [35]
3 years ago
13

How many and what type of chromosomes would be expected in a karyotype of a human male? A. 22 pairs of autosomal chromosomes and

2 Y chromosomes B. 23 pairs of autosomal chromosomes and 2 Y chromosomes C. 22 pairs of autosomal chromosomes, 1 X chromosomes, and 1 Y chromosomes D. 23 pairs of autosomal chromosomes, 1 X chromosomes, and 1 Y chromosome
Biology
2 answers:
KIM [24]3 years ago
7 0
The answer to this is D. You would expect 23 pairs of autosomal chromosomes with 1 X chromosome and 1 Y chromosome in a karyotype of a human male. 
jok3333 [9.3K]3 years ago
4 0

The correct answer is actually

C. 22 pairs of autosomal, 1 X chromosome, and 1 Y chromosome

I hope this helps!

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Cancer cells are rogue clones. List and describe three mutations that allow these cells to escape the normal restrictions placed
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The answer is mother in meiosis II

Explanation:

nondisjunction can be defined as the failure of the segregation of the child chromosomes in meiosis I and meiosis II resulting in gametogenes. This results in abnormal gametes with some chromosomal imbalance being formed and subsequent fertilization of these gametes results in a generation of abnormal individuals.

According to exercise, red-green color blindness follows an X-linked recessive pattern and the phenotype is only expressed. the father cannot bring the possibility of color blindness to his children, and the nondisjunction, defined earlier, cannot occur in either meiosis I or meiosis II. As a conclusion we can say that it may have a place in meiosis I or meiosis II corresponding to the mother and although the mother's condition may be normal, the first child would be compromised with color blindness, therefore, the mother is the carrier.

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