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FrozenT [24]
2 years ago
6

What does it mean when a biologist uses the term crossing-over? why is crossing over a good thing?

Biology
1 answer:
igor_vitrenko [27]2 years ago
8 0
It refers to dna and chromosomes
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In sexual reproduction, the genetic shuffling occurs during the formation of gametes when the two homologous chromosomes exchange their genetic material with each other. This increase variation in gametes.

Fusion of two different gametes in sexual reproduction also helps in increasing the genetic variation in the offspring.

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