Chapter Two Flashcards
Human Genome
Complete set of developmental instructions for creating proteins that initiate the making of a human organism
Ultrasounds
Image of a prenatal fetus produced with high-frequency sound waves (sonogram)
Teratogen
Any agent that could potentially cause a birth defect or negatively alter cognitive and behavioral outcomes
Prenatal Nurturing
What mom experiences, fetus experiences
-fetus can hear, taste her food in amniotic fluid, and remember her patterns
Kinds of Teratogens
Psychoactive drugs
Caffeine
Alcohol
Nicotine
Cocaine
Marijuana
Heroin
Prenatal Stages
- Germinal
- Embryonic
- Fetal
Germinal Period
(Conception to 2 weeks)
-the egg is fertilized forming the zygote
-cell division occurs
-the multicellular zygote attaches to (implants on) the uterine wall
Embryonic Period
(2-8 weeks)
-Cell differention intensifies
-organs begin to form