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Lera25 [3.4K]
3 years ago
14

(NEED ASAP!) how does crossing over during meiosis allow for genetic variablity?

Biology
1 answer:
swat323 years ago
5 0
Homologous chromosomes pair, then the chromosomes cross over in certain points. Then the Chromosomes break up and then pair again which results in different genes since they traded. Which is the result of genetic variability.
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