PSY 3121 Chapter Notes - Chapter 4: Congenital Adrenal Hyperplasia, Social Learning Theory, Precocious Puberty
14 Dec 2016
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Individual only have one chromosome on pair 23 (the x. They appear female and have external genitals of a female, but do not have fully developed internal genitals. They do not produce estrogens, they do not undergo puberty, and are infertile. They have an extra x chromosome on pair 23 (xxy). Have appearance of males (external genitals) but may also develop breasts and feminine body. Their testes do not produce sperm so they are sterile. Congenital adrenal hyperplasia: producing premature puberty in boys and masculinization of the external genitals in girls. Androgen insensitivity syndrome: resulting in the feminization of chromosomal males. Have un-descended testes, but external genitals appear female. Have no ovaries, fallopian tubes, or uterus so will not reach first menarche nor will they grow pubic hair. Parental preferences for boys and/or girls: preference in canada and us. Subtle preferences still existpeople feel more proud of boy, but more happy if girl (examining birth announcements).
