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PSYCH41

Terms in this set (19)

What term is used to describe the process by which sperm and ovum combine to create a single cell called a zygote?
a. Fertility
b. Pregnancy
c. Ovulation
d. Fertilization
d. fertilization
Newborn Jessica already has about how many immature ova in her two little ovaries?
a. two hundred
b. two thousand
c. two million
d. two billion
c. two million
When a mother's body releases two ova within a short time and both are fertilized, the result is
a. dizygotic twins.
b. monozygotic twins.
c. autism.
d. chromosomal abnormalities.
a. dizygotic twins
When a mother's body releases one ova that splits in two, the result is
a. dizygotic twins.
b. monozygotic twins.
c. autism.
d. chromosomal abnormalities.
b. monozygotic twins
Hair color, intelligence, and personality are all influenced by
a. the Y chromosome.
b. timing of fertilization.
c. our gametes.
d. heredity
d. heredity
All of the genetic information needed to guide a unique individual's development is present
a. at conception.
b. after six months gestation.
c. at birth.
d. the age of one month.
a. at conception
Tommy has dark hair, his wife Mary has dark hair, and their newborn daughter has dark hair. This shows evidence of
a. recessive inheritance.
b. dominant inheritance.
c. polygenetic inheritance.
d. a genetic mutation.
b. dominant inheritance
Research shows that gene expression is controlled by a mechanism that regulates the functioning of genes within a cell without affecting the structure of the cell's DNA. This phenomenon is called
a. multifactorial transmission.
b. polygenetic inheritance.
c. epigenesis.
d. a genetic mutation.
c. epigenesis
Mary has diabetes. According to the concept of genome imprinting, Mary likely
a. inherited the disorder from her father.
b. inherited the disorder from her mother.
c. will have children who suffer from diabetes.
d. will be infertile.
a. inherited the disorder from her father
Researchers are interested in finding out how much heredity and environment influence particular traits. This approach to the study of heredity and environment is called
a. concordance.
b. epigenisis.
c. quantitative.
d. qualitative.
c. quantitative
Monozygotic twins generally share what percent of their genes, while dizygotic twins share approximately what percent?
a. 75: 20
b. 75; 50
c. 100; 25
d. 100; 50
d. 100;50
Susan has brown eyes, as do both her father and her mother—as well as all of her grandparents. This is an example of a characteristic being
a. somewhat dominant.
b. highly canalized.
c. the result of low genetic difference.
d. the result of chromosome regularity.
b. highly canalized
The effects of similar environmental conditions on genetically different individuals and a discussion of these interactions to conceptualize how nature and nurture interact is called
a. genetic interactions.
b. genotype-environment interactions.
c. environmental interactions.
d. epigenesis.
b. genotype-environment interactions
Ted is not musically inclined but his son, Max, has shown an interest in music since he was very young. Ted has made sure to nurture his son's musical interest, which has resulted in Max becoming a skilled piano player. This is an example of what type of correlation?
a. a reactive
b. an active
c. a passive
d. an indirect
a. a reactive
During which stage of prenatal development, does the zygote divide, become more complex, and is implanted in the wall of the uterus?
a. conception
b. fetal
c. embryonic
d. germinal
d. germinal
A miscarriage that occurs within the first trimester of gestation is called a spontaneous
a. expulsion.
b. death.
c. abortion.
d. stillbirth.
c. abortion
At about eight week's gestation, the first bone cells appear; this development signals the beginning of which stage of gestation?
a. zygote
b. germinal
c. embryonic
d. fetal
d. fetal
Familiarity with the mother's voice may have an evolutionary survival function:
a. to help newborns locate the source of food.
b. to begin acquiring language skills.
c. to help differentiate the mother from other women.
d. to facilitate early bonding.
a. to help newborns locate the source of food
. Jennifer just found out that she is pregnant. For a healthy pregnancy, what is the range of additional calories she will need to consume a day, including extra protein?
a. 100; 200
b. 300; 500
c. 600; 800
d. 1,000; 1,5000
b. 300;500
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