Which statement is TRUE?
a. Genes consist of thousands of chromosomes.
b. Chromosomes consist of thousands of genes.
c. Ovum consists of thousands of eggs.
d. Eggs consist of thousands of ovum.
b
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What is the problem with family studies that causes high familial aggregation?
A. Family members tend to live separate environmental and there is nothing in their shared environment. B. Family members tend to live together and there might be something in their shared environment. C. Individual behavior's problem or disorder. D. Separate environmental from genetic influences in families.
____ is a drug-and-technology-free approach to childbearing
a. Obstetrician-assisted childbirth b. Lamaze c. Bradley d. Natural childbirth
Sir Francis Galton was an early pioneer in the study of twins. When he studied twin pairs, he asked them to identify other twins who might want to participate in his research. This technique is called __________.
A. random assignment B. convenience sampling C. the ripple effect D. snowball sampling
While ethological theory stresses _________ factors, ecological theory emphasizes ________ factors.
Fill in the blank(s) with the appropriate word(s).