Gender
- Created by: Hazel99
- Created on: 21-09-16 13:32
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- Gender
- How is sex determined?
- The ovum and sperm contribute a chromosomes to the zygote.
- Ovum = X
- Sperm = Y
- The chromosomes contain DNA, which supplies each individual with unique genetic code.
- 23 pairs of chromosomes
- Role of androgens
- Androgens (including testosterone) are the hormones that give men their 'male' characteristics.
- stimulates the male reproductive system and suppresses the female reproductive sytem from forming
- Development of penis and testes.
- Klinefelter's syndrome
- Results form XXY
- Normal genitalia but small testes, which do not produce sperm.
- They are infertile and often have low sex drive
- Young (1964)
- He studied rats because they reach sexual maturity quickly and male and females show distinctive behaviours.
- female rats expoed to prenatal hormones became dominant and attempted to mount males from behind
- Males adopted the female mating postion
- Lordosis
- Hines
- They found that the CAH girls were more likely to give cross gender responses than their unaffected siblings
- Studied 43 CAH girls and 38 CAH boys. compared to a control group (72 unaffected relatives)
- Reductionist
- High ecological validity
- Congenital adrenal hyperplasia
- Swaab and Fliers
- Strength
- Replicated-Improving the realiability of findings.
- Deterministic
- scientific- variables can be measured
- How is sex determined?
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