A) Homologous chromosomes behave independently
B) Chromatids are separated during anaphase
C) Homologous chromosomes pair and form bivalents
D) Homologous chromosomes crossover
Correct Answer: A
Solution :
During mitosis, all the chromosomes behave independently while during meiosis, homologous chromosomes pair up through synapsis and form bivalents in zygotene substage of prophase-I, then in pachytene substage, crossing over occurs between homologous chromosomes and during diplotene substage of prophase-I of meiosis chiasma formation takes place. During Anaphase of both mitosis and meiosis, chromatids are separated and pulled towards opposite poles.
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