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Child Psychology: A Contemporary Viewpoint, First Canadian Edition

E. Mavis Hetherington, University of Virginia
Ross D. Parke, University of California
Mark Schmuckler, University of Toronto at Scarborough

Heredity and the Environment

True/False Quiz


1	A genotype is the observable and measurable expression of an individual's physical and behavioural characteristics.
		A)	True
		B)	False


2	A nucleotide is a compound that contains two nitrogen bases, simple sugars, and a copper group.
		A)	True
		B)	False


3	The nucleus of each human cell contains 42 chromosomes, which come in 21 pairs, one from each parent.
		A)	True
		B)	False


4	Mitosis is the process by which the zygote divides and keeps dividing to form a multicellular organism.
		A)	True
		B)	False


5	Reproduction begins when a female germ cell (ovum) is fertilized by a male germ cell (sperm) to produce a zygote.
		A)	True
		B)	False


6	Fragile X syndrome is more common in females than males.
		A)	True
		B)	False


7	Almost 1% of all newborns have diagnosable chromosomal abnormalities.
		A)	True
		B)	False


8	Down syndrome, perhaps the most well known chromosomal disorder, is caused by a deviation in the 22nd chromosomes.
		A)	True
		B)	False


9	The Human Genome Project is the construction of a map of each human gene.
		A)	True
		B)	False


10	Chorionic villi sampling is a prenatal test during the last trimester to detect for birth defects.
		A)	True
		B)	False


11	If one gene of a pair is dominant and one is recessive the dominant gene overrides a recessive gene.
		A)	True
		B)	False


12	Canalization describes the study of hereditary influence on development.
		A)	True
		B)	False


13	Fraternal twins develop from a single fertilized egg that splits into two genetically replicas.
		A)	True
		B)	False


14	Whether twins are identical or fraternal, shared environments are highly similar.
		A)	True
		B)	False


15	Niche-picking refers to finding a niche or setting suited to one's compatibility, such as attractive adolescents seeking out attractive peers.
		A)	True
		B)	False


16	Nonshared environmental experiences are likely to be the reason why siblings display different personalities.
		A)	True
		B)	False


17	The concordance rate expresses the percentage of cases in which a characteristic or trait exhibited by one member of a twin pair is also exhibited by the other twin.
		A)	True
		B)	False


18	The field of human behaviour genetics arose in the 1990s in response to worldwide ethical concerns about cloning.
		A)	True
		B)	False


19	An evocative influence is demonstrated when a "smiley" baby elicits more positive stimulation from others than does a "non-smiley" baby.
		A)	True
		B)	False


20	Phenylketonuria is caused by a recessive allele that fails to produce an enzyme necessary to metabolize the protein phenylalanine.
		A)	True
		B)	False

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