cjfelicianovelez cjfelicianovelez

10-04-2021
Biology

contestada

When homologous chromosomes cross over, what occurs?

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Аноним Аноним

10-04-2021

Answer:

this happens between prophase I and metaphase I

Explanation:

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hopeadore hopeadore

10-04-2021

Explanation:

during crossing over , homologous chromosomes come together in order to form a tetrad . This close contact allows the nonsister chromatids from homologous chromosomes to attach to one another and exchange nucleotide sequences.

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