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Practice problem

Heterozygous vs. Homozygous — Differences & Similarities

By Gabi Slizewska
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Contributors
This image shows two homologous chromosomes and their alleles for genes A through E. For chromosome 1 and 2, respectively, the alleles are capital A and lowercase a, lowercase b and lowercase b, lowercase c and capital C, capital D and lowercase d, and capital E and capital E.

Look at the chromosomes above. Which genes are homozygous? Select all that apply.

Choose all correct answers

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

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