Yumimiku3319 Yumimiku3319

12-09-2019
Biology

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Explain why the value of the recombination frequency between any two genes is limited to 50%.

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24-09-2019

Answer:

Explanation:

During meiosis, each chromosome has 2 chromatids. When homologous chromosomes pair they form a tetrad (2 chromosomes, 4 chromatids).

Crossing over can happen between 2 out of the 4 chromatids, and as a result, only half of the resulting gametes (at most) can be recombinant. The other 2 gametes will be parental.

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