These questions consist of two statements each, printed as Statement-I and Statement-II. While answering these questions, you are required to choose any one of the following four responses.
Statement-I: Meiosis increases the genetic variability in the population of organisms from one generation to the next.
Statement-II: During pachytene, crossing over occurs between non-sister chromatids of the homologous chromosomes.
Text Solution
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(a) In third stage of prophase I, i.e., pachytene, crossing over between non-sister chromatids of homologous chromosomes takes place which increases the recombination and genetic variability.
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