In Klinefelter syndrome, individuals are phenotypically male, but they have reduced sperm production and may have some breast de

Question

2 years ago

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In Klinefelter syndrome, individuals are phenotypically male, but they have reduced sperm production and may have some breast de

velopment in adolescence. The cells of Klinefelter individuals have two X chromosomes and one Y (they are XXY instead of XY). This occurs because of what meiotic error?

Biology

1 answer:

Alisiya [41] · Answer 1 · 2022-05-15T19:53:41+03:00

Answer:

List of options to choose from to complete the question:

A. Aneuploidy

B. Polyploidy

C. Translocation

D. Monosomy

E. Duplication

The CORRECT ANSWER IS A.

A. Aneuploidy.

Explanation:

Aneuploidy results from unusual number of chromosomes in a cell, e.g a human cell with 45 or 47 chromosomes other than 46.

It's mostly seen in Trisomy e.g. trisomy 21 (Down syndrome), trisomy 13 (Patau syndrome) and trisomy 18 (Edwards syndrome).