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Practice problem

Heterozygous vs. Homozygous — Differences & Similarities

By Gabi Slizewska
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This image shows two homologous chromosomes and 3 genes. The gene for attack is red in chromosome 1 and blue in chromosome 2. The gene for defense is orange in chromosome 1 and 2. The gene for speed is green in chromosome 1 and purple in chromosome 2.

It was recently discovered that a certain chromosome in a species of Pokemon contains the genes for many common characteristics. A diagram of the chromosome found in one Pokemon is shown above. Which gene is homozygous in this organism?

Choose one answer

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

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