Huntington’s disease is a dominant single-gene disorder. This means that
a. it can only be passed on if both parents have the allele for the disease.
b. it can be passed on if one or the other parent has the allele for the disease.
c. it can only be passed on if one parent has begun to have symptoms of the disease.
d. it will not be passed on if one parent has the allele for the disease and the other does not.
Answer: b. it can be passed on if one or the other parent has the allele for the disease.
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It is estimated that the ratio of boys to girls in China is approximately 120 to 100 . Why are there so many more boys than girls in China?
a. Better genetic counseling b. An increase in the use of fertility drugs c. Higher rates of adopting boys than girls d. Selective abortion of female fetuses
Research on antisocial behavior has shown that
a. most antisocial teens grow up to be antisocial adults. b. juvenile delinquents are more likely than other peers to be conventional thinkers. c. early-onset aggressive children tend to not display significant antisocial behavior until early adulthood. d. aggressive youth tend to show less empathy.
This is a better measure to use if you have extreme outliers in your distribution.
A. standard deviation B. interquartile range C. range D. variability
The phrase “7 ± 2 bits” describes the ____
a. ?capacity of short-term memory b. ?duration of short-term memory c. ?capacity of sensory memory d. ?duration of sensory memory