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01-05-2017
Biology

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During meiosis, homologous chromosomes frequently exchange portions of their DNA. This process increases the number of different genotypes that an offspring can inherit. What is the name of this process?

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01-05-2017

The answer is crossing over.

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10-01-2019

Ans.

The process that involves exchange of genetic material between homologous chromosomes, is known as crossing over. It occurs during meiosis I (between prophase I and metaphase I).

Crossing over is responsible for the variation in organisms as it makes new genetic combinations in the offspring that are absent in either parents and thus, contribute to genetic diversity.

Thus, the correct answer is 'crossing over.'

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