-Chromosome difference between men and women
-Males have XY chromosomes
-Females have XX chromosome
- the Y chromosome there is a gene called SRY gne, which is called the sex determining region on the Y chromosome
- SRY produces TDF (testes determining factor)
-DSS - Dosage Sensitive Reversal - people who have double chromosome gene, are commonly those that choose to undergo sex change surgery
Hormones
- Male Gonads - testicles
Male hormones are testosterone,
-Female Gonads - ovaries
Female hormones are estrogen and progesterone
Hypothalamus produces GnRH
Pituitary Gland - central gland of the body - also produces hormones FSH and LH
Sex Organ development
Developement of Gonad
Internal Reproductive system
External Development
Gonad are the same until about 6-7 weeks until the hormones kick in and distinguish if male or female
External Development
Seventh to eighth week is when sex of baby is developed
Fully developed my twelfth week
Sexual development in girls
start with the growth of breast
body hair and pubic hair growth are mixed
and then starting menstrual periods
underarm hair and oil sweat glands.
Estrogen is responsible in facial changes
Brain Differentiation
Male and Female brains are different
structure can differ.
Behavioral Differences
Both genders have very similar behaviors
Animals generally have very precise male/female differences
No comments:
Post a Comment