Heterozygous individuals who receive one recessive allele for a trait ________ to their children.
A. cannot pass that trait
B. can pass that trait
C. will always pass the dominant trait
D. will always pass the recessive trait
Answer: B
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Studies on rape demonstrate that
a. approximately 40% of rape victims report the crime to the police. b. in North America, between 15% and 30% of women will be raped at some point during their lives. c. a woman in the US military is less likely to be raped than a civilian woman. d. although the incidence of rape is relatively high in the United States, it is rare in Canada.
A sleep disturbance characterized by snoring, short silences, and gasps is called
a. sleep apnea. b. narcolepsy. c. somnambulism. d. insomnia.
Psychoactive drugs may affect nervous system activity by ____
a. ?blocking the reuptake of neurotransmitters b. ?exhibiting a placebo effect c. ?being stored in body fat d. ?altering hormone metabolism
A baby has begun to crawl. This means:
a. myelin will soon form to coat motor neurons. b. a maturation process will be activated that will result in myelination of neurons by the end of the first year. c. myelination of neurons has already begun. d. myelin has nothing to do with this process.