How does variations occur in sexual reproduction?
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Sexual reproduction happens when a male gamete and a female gamete join. This fusion of gametes is called fertilisation. Sexual reproductionallows some of the genetic information from each parent to mix, producing offspring that resemble their parents but are not identical to them.
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variations occour first during the process of crossing over in each of the parent cell to produce germline cells and the when the xand y cells combine to form the parent cell
ranaumair:
i hope you know about crossing over if no then let me know i will explain
yss can u plz explain
it is the process in which the homologus pairs of chromosomes exchange their segments
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