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Practice problem

Crossing-Over (Meiosis) — Definition & Overview

By Gabi Slizewska
Two homologous chromosomes contain a segment with genes A and B. One has genotype capital A lowercase b. The other has lowercase a uppercase B. Strand 1 has uppercase A lowercase b. 2 has uppercase A uppercase B. 3 has lowercase a uppercase B. 4 has lowercase a lowercase b.

The figure above shows two homologous chromosomes and their products after meiosis. Which of the products (1-4) are the recombinants?

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

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