What is a homogametic and heterogametic sex? Is male gender always heterogeneous?
| April 28, 2020 | Education
A homogametic sex is a sex in which the sex chromosomes are paired homologous (identical in shape and structure), for example, the female sex of mammals and humans, which is characterized by paired sex chromosomes XX. A heterogametic sex is a sex in which the sex chromosomes are unpaired non-homologous (different), for example, the male sex of mammals and humans, which is characterized by unpaired sex chromosomes XY. No not always. For example, in birds, females have a heterogametic sex, and males have a homogametic one.
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