Non-disjunction occurs during meiosis I in a human so that only chromosome #3 is affected. The rest of meiosis proceeds normally. For the 4 gametes formed from this round of meiosis, which of following is a correct description of their chromosome number?
a) 2 gametes will have 23 chromosomes and 2 gametes will have 24
b) 2 gametes will have 22 chromosomes and 2 gametes will have 24
c) all of the gametes will have 22 chromosomesd) all of the gametes will have 24 chromosomes
d) all of the gametes will have 24 chromosomes
Ans: b) 2 gametes will have 22 chromosomes and 2 gametes will have 24
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