Question

what are thesignificance of crossing over of chromosomes​

Answer 1

Answer:

$\huge {\mathbb{\pink{Hello!!}}}$

Explanation:

Crossing over, or recombination, is the exchange of chromosome segments between nonsister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.!

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Answer 2

Answer:

hey mate

here 22+x or 22+y (male) 22+x (female)

the fertilization occurs then 44 +xx(girl) and (44+ XY) boy

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