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A Child's World: Infancy through Adolescence, 9/e
Diane E. Papalia, University of Wisconsin-Madison
Sally Wendkos Olds
Ruth Duskin Feldman
Forming a New Life
True/False
1
In preindustrial societies, large families were rare.
A)
True
B)
False
2
The ovum is the largest cell in the adult human body.
A)
True
B)
False
3
A sperm may locate a fertile ovum by its scent.
A)
True
B)
False
4
Twins are always of the same sex.
A)
True
B)
False
5
About 20 percent of infertile couples eventually conceive
A)
True
B)
False
6
Ovum transfer can help a postmenopausal woman bear a child.
A)
True
B)
False
7
Every cell in the human body has 46 chromosomes (23 pairs).
A)
True
B)
False
8
Mitosis is a process of cell division normally resulting in exact duplicates of the original cell.
A)
True
B)
False
9
The father's sperm normally determines a child's sex.
A)
True
B)
False
10
Twenty-two of the twenty-three pairs of chromosomes are autosomes.
A)
True
B)
False
11
Most normal human traits can be explained by Mendel's law of dominant inheritance.
A)
True
B)
False
12
Skin color is an example of polygenic inheritance.
A)
True
B)
False
13
Multifactorial transmission is the result of the interaction of several different genes.
A)
True
B)
False
14
Normal genes are usually dominant over abnormal ones.
A)
True
B)
False
15
If a couple's first child has a recessive defect, the second child will also have it.
A)
True
B)
False
16
Red-green color blindness is a sex-linked trait.
A)
True
B)
False
17
Dennis has hemophilia. His son, Ira, has a 50 percent chance of inheriting the abnormal gene and being a carrier of the disorder.
A)
True
B)
False
18
The risk of Down syndrome rises with the age of either parent.
A)
True
B)
False
19
Family (kinship) studies provide a good way to distinguish hereditary from environmental influences.
A)
True
B)
False
20
If dizygotic twins are highly concordant for a trait, the trait is likely to be strongly influenced by heredity.
A)
True
B)
False
21
Stunted growth due to malnutrition is an example of reaction range.
A)
True
B)
False
22
Maturation is programmed by the genes and cannot be affected by environmental factors.
A)
True
B)
False
23
Differences in personalities of siblings who grow up in the same household are due to genetic differences.
A)
True
B)
False
24
Temperament is mostly the result of parental responsiveness during early infancy.
A)
True
B)
False
25
Schizophrenia appears to be transmitted multifactorially.
A)
True
B)
False
2002 McGraw-Hill Higher Education
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