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ExtremeBDS [4]
3 years ago
14

Explain how meiosis promotes variation in a species.

Biology
1 answer:
SCORPION-xisa [38]3 years ago
7 0
In meiosis, the chromosome pairs do the crossing over where there is an exchange of genetic material between them and because of it the chromatids held together by the centromere are no longer the same.
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The population of light colour Peppered moths decreases and dark Peppered moths increases.

Explanation:

During the industrial revolution, the population of light colour Peppered moths decreases and dark Peppered moths increases because due to industrial revolution, air pollution increases which spreads a black dust on the trees and as a result the light colour Peppered moths can easily be seen in the dark by its predator and feed on them while dark colour Peppered moths can't be seen in the dark so the predator is unable to feed and as a result the population of dark colour Peppered moths increases.

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