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Q.

SI : In meiosis inter chromosomal recombination occur due to crossing over

SII : Crossing over occurs between the chromatids of non-homologous chromosomes during prophase I.

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a

Both SI and SII are correct

b

SI is wrong but SII is correct

c

SI is correct but SII is wrong

d

Both SI and SII are wrong

answer is B.

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Detailed Solution

Crossing over results in intrachromosomal gene recombination and crossing over occurs between non-sister chromatids of homologous chromosomes during pachytene stage of prophase-I of meiosis.

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