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Practice problem

Crossing-Over (Meiosis) — Definition & Overview

By Gabi Slizewska
A strand of DNA with genes A, B, C, and D from left to right.

The diagram above shows a chromosome (blue) and 4 genes on that chromosome (A-D). Suppose this chromosome undergoes crossing over with its homolog. Where would the cross over most likely be?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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