study guide for exam 1 Lifespan development Ch.9
the study of how people change physically, mentally, and socially throughout their lifespan
is also known as developmental psychology
is the segment on the chromosone that contains the genetic instruction
underlying genetic make-up
traits that are expressed
is the gene for eye color
the belief that each sperm cell contained a tiny individual who would grow when deposited in a woman's womb
fertilization; when a sperm unites with an egg to form a single cell
is the first stage of conception
is inner layer of skin
is the outer layer of skin
forms into muscle
Name the 3 Periods of Prenatal Development
Zygote, Embryo, Fetus
What is another name for the Zygote period?
What is another name for the Embryo period?
the zygote settles into the lining of the uterus where it remains during pregnancy.
waterfilled sac around the embryo and provides a cushion
helps the embryo obtain nutrients, oxygen, and water
connects to the fetus to the placenta
any agent that causes a birth defect.
Name some types of Teratogens
exposure to radiation, environmental chemicals, maternal inefectious diseases,drugs(street&prescriptions), caffiene, smoking, alcohol (FAS)