Avian Female Sex Determination - Anatomy & Physiology

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Revision as of 12:56, 4 July 2008 by Lwilkie (talk | contribs) (New page: * Females are the heterogametic sex, with one copy each of the Z and W sex chromosomes. * Males are homogametic (ZZ). * Not clear whether it is the presence of the female-specific W chro...)

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  • Females are the heterogametic sex, with one copy each of the Z and W sex chromosomes.
  • Males are homogametic (ZZ).
  • Not clear whether it is the presence of the female-specific W chromosome that triggers female development, or the dose of Z chromosome that confers maleness.