Psychology 2075 Chapter Notes - Chapter 11: Penis Enlargement, Sexual Identity, Ejaculation

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Becoming male or female: the role of biology and socialization. Reproductive biology prenatal sexual differentiation (see chapter 12: the genetic factor. Begins at the moment of conception (sperm meets egg) this is called the genetic factor and is the first step toward becoming a male or female. Mothers egg ( x sex chromosome) 23 chromosomes everyone gets this. If x fertilized the egg, you became a female (xx), if a y fertilized the egg then you became a genetic male (xy: the gonadal factor. For several weeks after conception, you do not develop any sexual reproductive organs. Depends on whether the y chromosome is present or absent, if the y is present it stimulates the development of the testicles. True hermaphrodites is a genetic female with two x chromosomes, but a tiny piece of a y chromosome attaches itself to the x.