3. the role of chromosomes and hormones in sex and gender

Question 1

role of chromosmes

Answer 1

in the nucleus of living cells carry info in genes
made from DNA and genes=short sections of DNA determine characteristics
46 and 23 pairs
lastdetermines biological sex
xx=females xy=male

Question 2

baby’s sex is determined by

Answer 2

sperm the fertilises egg
Y chromosome carries SRY gene causes testes to develop in embryo produces androgens so becomes male
without is female
sometimes basic pattern disrupted= atypical sex patterns