PSY 203 EXAM #3 || with 100% Verified Solutions.
What area of psychology studies the changes that occur in people as they age from conception to
death? correct answers Developmental Psych
What type of research design follows one group of participants over time as they age? correct
answers Longitudinal Design
Describe the cross-sectional research design correct answers Study people of varying ages at one
point in time.
What is a disadvantage of the longitudinal design? correct answers Participants may drop out,
loss of interest, death, etc.
________________ Refers to heredity and _______________ refers to environmental influences
correct answers Nature: Heredity, Nurture: Environmental
How does the text define genetics? correct answers The science of inherited traits.
What is a special molecule that contains the genetic material of the organism? correct answers
DNA
How many pairs of chromosomes are normally in each cell of the human body? correct answers
23 out of 46
How are diseases that are carried by recessive genes inherited? correct answers inherits two
recessive genes - one from each parent
What is the cause of Down Syndrome? correct answers Extra chromosome on the 21st pair.
What is a a Zygote? correct answers fertilized egg
Describe the way that monozygotic twins occur? correct answers Identical Twins from one
fertilized egg
Describe the way that dizygotic twins occur? correct answers fraternal, each twin from separate
egg and separate firm
Define critical periods in development? correct answers Times during which certain
environmental influences can have an impact on the development of the infant.
What is a teratogen? correct answers Toxic substances that causes birth defect
Describe some of the possible effects of fetal alcohol syndrome FAS correct answers Stunted
growth, facial deformities, and brain damage, mentally challenged
What area of psychology studies the changes that occur in people as they age from conception to
death? correct answers Developmental Psych
What type of research design follows one group of participants over time as they age? correct
answers Longitudinal Design
Describe the cross-sectional research design correct answers Study people of varying ages at one
point in time.
What is a disadvantage of the longitudinal design? correct answers Participants may drop out,
loss of interest, death, etc.
________________ Refers to heredity and _______________ refers to environmental influences
correct answers Nature: Heredity, Nurture: Environmental
How does the text define genetics? correct answers The science of inherited traits.
What is a special molecule that contains the genetic material of the organism? correct answers
DNA
How many pairs of chromosomes are normally in each cell of the human body? correct answers
23 out of 46
How are diseases that are carried by recessive genes inherited? correct answers inherits two
recessive genes - one from each parent
What is the cause of Down Syndrome? correct answers Extra chromosome on the 21st pair.
What is a a Zygote? correct answers fertilized egg
Describe the way that monozygotic twins occur? correct answers Identical Twins from one
fertilized egg
Describe the way that dizygotic twins occur? correct answers fraternal, each twin from separate
egg and separate firm
Define critical periods in development? correct answers Times during which certain
environmental influences can have an impact on the development of the infant.
What is a teratogen? correct answers Toxic substances that causes birth defect
Describe some of the possible effects of fetal alcohol syndrome FAS correct answers Stunted
growth, facial deformities, and brain damage, mentally challenged
