Nondisjunction - in nondisjunction, the chromosomes fail to separate at a proper state due to meiosis.
Pituitary gland.
When you feel stress, the pituitary gland, at the base of the brain, increases its production of the hormone ACTH. This hormone tells the adrenal glands, found at the top of your kidneys, to increase their production of hormones. These stress hormones help you to concentrate, speed your reaction time, and boost your strength. Your hypothalamus also helps your body respond to stress.
Women were expected to:
-be mothers and care for children
-cook for their families
-clean after their families
Men were expected to:
-work for financial security
-protect their families
Scientists prove their hypothesis is true about Scientists can never "prove" their hypotheses are true, because some future experiment, possibly using new technology not currently available, might show the hypothesis to be false after all.
