| Observe the given diagram of meiosis and germ cell formation in a cell with four chromosomes and answer the questions that follows. |
 |
| (iii) Failure of the two homologous chromosomes to separate and move towards opposite poles during anaphase-I is called |
A) crossing over
B) non-disjunction
C) linkage
D) recombination
Correct Answer: B
Solution :
[b] Non-disjunction is the condition in which the separation of chromosome does not take place during cell division.
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