Bio Chap 1

If a group of individuals shares a highly similar environment, what effect does this have on the heritability estimate of a characteristic? a. It is determined by the power of the environmental factors. b. Heritability estimates will be unaffected. c. Heritability will be low. d. Heritability will be high.

Heritability will be high. ~

Why do children with PKU become mentally retarded? a. Their immune systems do not fight off brain infections. b. Dendrites and synapses fail to form in associative areas of the cortex. c. Unmetabolized amino acids accumulate and affect the brain. d. Essential axons lack myelin sheaths.

. Unmetabolized amino acids accumulate and affect the brain. ~

An autosomal gene is a gene: a. that shows no evidence of crossing over. b. on any chromosome other than the X or Y chromosome. c. on the X chromosome. d. on the Y chromosome.

on any chromosome other than the X or Y chromosome

The view of the brain from below is called the ________ view. a. dorsal b. ventral ~ c. anterior d. linear

ventral

Which of the following BEST describes the concept of evolution? a. "Always look for ways to improve." b. "If you don't use it, you lose it." c. "Survival of the fittest" d. "Reproduction of the fittest"

"Reproduction of the fittest" ~

An evolutionary explanation describes why a structure or behavior evolved. a. True b. False ~

False

An ontogenetic explanation is one that describes the development of a structure or behavior. a. True ~ b. False

True

An evolutionary psychologist would likely be most interested in studying: a. neurotransmitters in primates. b. anatomy of the rat brain. c. altruistic behavior of meerkats. d. cardiovascular function across species.

altruistic behavior of meerkats. ~

Sex-limited genes are found on: a. any chromosomes. b. X AND Y chromosomes. c. X chromosomes only. d. Y chromosomes only.

any chromosomes.

Which of the following is an argument for animal research? a. Killing animals for scientific gain is murder. b. Animals have the same rights as humans. c. Animal research is beneficial. d. Animals cannot give informed consent to participate.

c. Animal research is beneficial. ~

The theory of evolution through the inheritance of acquired characteristics is known as: a. Huxley's evolution. b. artificial evolution. c. Lamarckian evolution. d. Darwinian evolution

c. Lamarckian evolution. ~

Why is a genetic explanation for altruism problematic? a. No behavior has been linked to any genes. b. Altruism is more common among the young than among adults. c. Only non-human animals exhibit altruistic behaviors. d. Altruistic behaviors rarely benefit the individual performing them.

d. Altruistic behaviors rarely benefit the individual performing them. ~

Individuals afflicted with PKU need to avoid: a. sunlight. b. alcohol. c. foods high in phenylalanine. d. foods high in vitamin K.

foods high in phenylalanine.