NEET / MPSC ScienceHard
Q.If non-disjunction of chromosome 21 occurs entirely during oogenesis, the resulting egg cell (ovum) will contain how many copies of chromosome 21?
a
Exactly 1
b
0 or 2
c
3
d
4
Correct Answer: Option B
The correct solution involves applying the fundamental concept to derive the final value step by step...