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Homogametic sex



The sex of a species possessing similar sex chromosomes


In humans, the homogametic sex is the female. All female gametes have the same type of sex chromosome: X-chromosome.

In other animal species, such as some birds and reptiles, the homogametic sex is the male. They have two Z sex chromosomes, thus, all gametes that they produce will bear only a Z sex chromosome.

Word origin: Greek homós (one and the same)


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Anyone know much on Hemizygous?

To clarify some of the terminology: female humans are referred to as homogametic - they have only one type of sex chromosome, the X. Males are heterogametic, having two different types of sex chromosomes, ...

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by wbla3335
Thu Jul 26, 2007 10:37 am
Forum: Genetics
Topic: Anyone know much on Hemizygous?
Replies: 10
Views: 9914

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