Biotechnology And Its Applications Question 11

Question: Edward syndrome is on account of……. [MP PMT 1994, 99, 2000, 04]

Options:

A) 45 chromosomes instead of 46

B) Presence of three chromosomes on 18th pair of autosome

C) Presence of three chromosomes on 21st pair of autosome

D) Presence of three pair of sex chromosomes

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Answer:

Correct Answer: B

Solution:

It has an abnormal karyotype of 10 2n + 1 (18) = 47