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Genetic switch for gender

December 3rd, 2010 · No Comments

Genetic Switch for Determining Gender Identified; Gene Linked to So-Called ‘Intersex’ Families
ScienceDaily (Dec. 2, 2010) — The Y chromosome is supposed to genetically seal a fetus’s fate in terms of gender. Males have one X and one Y chromosome, while females have two X chromosomes. Yet, in some families a child is born with an X and Y chromosome and develops physically as a female, although she may not menstruate, and her brothers and male cousins may have underdeveloped or ambiguous genitalia.

Tags: biology

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