EPPP- Lifespan Complete Test Questions with Complete Solutions.
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Course
Eppp
Institution
Eppp
EPPP- Lifespan Complete Test Questions with Complete Solutions.
nature vs. nurture - CORRECT ANSWER debate about the degree to which hereditary and environmental factors play in creating differences in characteristics and behavior
Current--interplay b/w nature & nurture
genotype - CORRECT ...
EPPP- Lifespan Complete Test
Questions with Complete Solutions.
nature vs. nurture - CORRECT ANSWER debate about the degree to which hereditary and environmental
factors play in creating differences in characteristics and behavior
Current--interplay b/w nature & nurture
genotype - CORRECT ANSWER characteristics that are determined by info coded on the genes
reaction range - CORRECT ANSWER a person's genetic endowment sets the upper & lower boundaries
(range) for the development of a particular trait
a person with a high endowment has a broader range (more movement, move potential)
critical period - CORRECT ANSWER the limited time span during which an organism is biologically
prepared to acquire certain behaviors, but requires the presence of specific environmental stimuli in
order to occur. E.g. newly hatched geese with become attached to the 1st moving object they see during
the first 15 hours of life. No movement, no attachment
sensitive period - CORRECT ANSWER used instead of critical period re: humans b/c while there are
optimal times for behaviors to occur, the behaviors can be developed to some degree at earlier or later
times in a person's life
maturation - CORRECT ANSWER genetically determined patterns of development. environment does not
greatly affect maturationally determined characteristics. E.g. learning to walk--1) pulling into standing
position 2) creeping along furniture 3) standing alone 4) walking alone
canalization - CORRECT ANSWER some characteristics are relatively resistant to environmental forces;
narrow developmental path these characteristics take
, secular trends - CORRECT ANSWER differences in timing of physical changes found in children belonging
to different cohorts
menarch--age of onset decreased by about 4 months each decade since the mid-1800. From age 17
(1850) to 13 (current) b/c of better nutrition, health care, etc.. provides evidence for impact of
environment on development
heritability index - CORRECT ANSWER the degree to which a particular characteristic can be attributed to
genetic factors. obtained from kinship studies. e.g. intelligence has an average correlation of .50 (in twin
studies) 50% of individual difference in IQ can be explained by genetic factors
chromosomes - CORRECT ANSWER 23 pairs in humans. found in every cell. 22 of the pairs are exact
duplicates of each other (homologous); autosomes, the 23rd pair are the sex chromosomes XX = female,
XY = male
dominant genes - CORRECT ANSWER when the genes from both parents are alike the person will display
the inherited trait. when the genes are different then the dominant gene will determine the trait display
(dark hair, immunity to poison ivy, type B blood)
recessive genes - CORRECT ANSWER must receive two (1 from each parent) in order for trait to be
displayed (blue eyes, red hair, type O blood)
d/o due to recessive genes - CORRECT ANSWER PKU is an example. requires the presence of 2 recessive
genes. other examples: Tay-Sacs, sickle cell anemia, cystic fibrosis
d/o due to dominant genes - CORRECT ANSWER example Huntington's Chorea--requires the presence of
a single dominant gene. A child with a parent with HC has a 50% chance of developing this d/o
d/o due to chromosomal abnormalities - CORRECT ANSWER down syndrome (trisomy 21) extra # 21
chromosome. Klinefelter's Syndrome--extra X chromosome in males. incomplete development of 2ndary
sex characteristics, often sterile
Turner's syndrome--all or part of 2nd X chromosome missing. no 2ndary sex characteristics, sterile, short
stature, stubby fingers, webbed neck
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