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Home > Terms > English, UK (UE) > Hemizygous chromosomes
Hemizygous chromosomes
The X and Y chromosomes of males are mostly not homologous--they only share a few genes. Those genes that are found on only the X or the Y chromosome are said to be hemizygous because there is only one copy of each gene. Regardless of whether that gene is a dominant or a recessive allele, it will be expressed in the phenotype of males.
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- Industry/Domain: Anthropology
- Category: Physical anthropology
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