Which is unique to meiosis and does not occur in mitosis?
Homologous chromosomes cross over
Homologous chromosomes pair and form bivalents
Homologous chromosomes behave independently
Chromatids are separated during anaphase
A
Homologous chromosomes pair and form bivalents
B
Homologous chromosomes behave independently
C
Homologous chromosomes cross over
D
Chromatids are separated during anaphase
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Solution
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In meiosis , synapsis (Pairing of homologous chromosome), Crossing over (exchange of chromosomal segment between nos sister chromatids) occurs which does not occur in mitosis.
Also meiosis is reductional division , the chromosomal number during meiosis is reduced to half while no such reduction in chromosomal number occurs during mitosis.
Hence answer is 'Homologous chromosomes cross over'
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