Test 12/9 Flashcards
Chromosome
Structures containing genes; all human cells contain 46 chromosomes except reproductive cells which contain 23
Zygote
Fertilized egg (46 chromosomes)
Identical twins versus fraternal twins
Identical: one sperm one egg divided into two (monozygotic)
Fraternal: two eggs two sperm (dizygotic)
Stages of pregnancy
- Germinal period: first two weeks after conception
- Period of the embryo: third through the eighth weeks after conception
- Period of the fetus: ninth week after conception until after birth
Fetal alcohol syndrome
Mother drinks during pregnancy
Effects: smaller head, flatter nose, eyes further apart, learning disabilities, and behavioral problems
Malnutrition
Causes slow fetal growth and low birth weight
(Common birth defects)
Cerebral palsey
Environmental damage to brain before, during, or after birth
lack of muscle control spasms
(Common birth defects) down syndrome
Chromosomal abnormalities
Sickle cell anemia (common birth defects)
Heredity
Malnutrition of red blood cells
(Developmental patterns) maturation
The automatic, orderly, sequential process of physical and mental development
(Developmental patterns) growth cycle
Orderly patterns of development
Girls versus boys
Girls are more olderly and stable in their growth cycles
Boys grow more in spurts and mature more slowly
Genes
Basics units of heredity
Imprinting
A biological process in which the young of certain species follow and become attached to their mothers
Critical period
A specific period of development that is the only time when a particular skill can develop or a particular association can occur
Permissive parenting style
Permits children to do what they want
Parent lack rules, consequences or consistency
Impact of permissive parents
Children are
-impulsive -irresponsible -have no self-discipline -have poor self-esteem and relationship skills -have trouble making decisions and doing things for themselves
Dictatorial parenting style (authoritative, totalitarian)
Parent view children as subjects and demand total obedience