Biotechnology And Its Applications Question 11
Edward syndrome is due to trisomy 18……. [MP PMT 1994, 99, 2000, 04]
Options:
A) 45 chromosomes instead of 46
B) Presence of three chromosomes on the 18th pair of autosome
C) Presence of three chromosomes on the 21st pair of autosome
D) Presence of three pairs of sex chromosomes
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Answer:
Correct Answer: B
Solution:
It has an abnormal karyotype of 10 2n + 1 (18) = 47
BETA
