A knockout gene is one
a. that is missing in an organism.
b. that does not produce the protein product of a normal gene
c. in which a mutation has occurred in one or more of its alleles
d. that produces disease or death in more than 50 percent of those who have the gene.
Question 2
Dr. Campos is studying variations of intelligence among children living in a very affluent community, in which most parents are college-educated and schools are highly ranked. It is likely that using this relatively homogeneous group of participants will distort Dr. Campos' results by
a. exaggerating genetic influences on intelligence.
b. causing her to underestimate genetic influences on intelligence.
c. exaggerating environmental influences on intelligence.
d. exaggerating individual differences in intelligence.
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