When _______________ occurs between nonsister chromatids genetic exchange between chromosomes provides new combination of genes that are different from either parent.

Crossing over occur during meiosis and this involves an exchange of genetic materials between non-sister chromatids in a tetrad. This exchange of genetic materials ensures that the daughter cells produced at the end of meiosis are genetically different from either of the parental cells.

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priyankatutor priyankatutor · Answer 2 · 2021-11-19T13:16:48+01:00

When crossing over occurs between non-sister chromatids genetic exchange between chromosomes provides a new combination of genes that are different from either parent.

Crossing Over:

It is the process by which non-sister chromatids of homologous chromosomes, exchange their genetic material.

Crossing over occurs during prophase I.
Crossing over results in the genetic diversity between gametes.

Therefore, when crossing over occurs between non-sister chromatids genetic exchange between chromosomes provides a new combination of genes that are different from either parent.

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