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What is heterozygous?

Updated: 10/23/2022
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14y ago

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Heterozygous refers to alleles that are not the same. For example, lets pretend that the gene for hair color is H for brown hair and h for blond hair. If someone was HH, they would be homozygous because the two alleles of the gene are the same. If a person was blond, their genes would have to be hh, which is homozygous recessive. Heterozygous is when the alleles are different, like so: Hh.

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14y ago
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9y ago

Heterozygous is a dissimilar pairs of genes. This is part of DNA.

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