The role of hormones and genes in gender development

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  • Created by: athinaP
  • Created on: 22-04-16 16:10

genes:

 sex of the baby is determined at conception. an embryo has 23 pairs of chromosomes, the 23rd pair determines the sex of the embryo. if the embryo inherits 2X chromosomes from its parents it will be female. if the embryo inherits 1X and 1Y chromosome it will be male

hormones:

embroys are structually identical, 4-8 weeks the the 23rd chromosome constructs the gonadal ridge to release hormones. In male embryos the SRY gene triggers testosterone to be released from the gonadal ridge to develop testes. With little testosterone, embryos will develop female sex organs. testosterone acts on the hypothalamus in male embryos, without this testosterone, brains will develop in the female form. part of the hypothalamus…

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