Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Mitosis differs from meiosis in not having (1) duplication of DNA (2) synapsis (3) interphase (4) crossing overA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: C
Solution :
Mitosis differs from meiosis in not having synapsis and crossing over. Synapsis occurs during zygotene substage of prophase-I of meiosis. During this, homologous chromosomes pair up. Crossing over occurs during pachytene substage of prophase-I of meiosis. It involves exchange of segments between non-sister chromatids of homologous chromosomes.
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