Question 1

If both genes in a pair of genes affect the phenotype, then the alleles may be considered __________.

Accepted Answer

A)  codominant 
B)  incomplete dominant 
C)  phenotypical 
D)  genotypical 
A)  codominant 
B)  incomplete dominant 
C)  phenotypical 
D)  genotypical

Question 2

A typical human cell has __________ genes as the roundworm (C. elegans).

Accepted Answer

A)  about 2 times more 
B)  about 100 times more 
C)  about the same number of 
D)  about half as many 
A)  about 2 times more 
B)  about 100 times more 
C)  about the same number of 
D)  about half as many

Question 3

Blood type is an example of __________ gene effects.

Accepted Answer

A)  codominant 
B)  incomplete dominance 
C)  recessive 
D)  incomplete recessive 
A)  codominant 
B)  incomplete dominance 
C)  recessive 
D)  incomplete recessive

Question 4

If an individual changes his diet because it is discovered he has phenylketonuria (PKU), then one can conclude that although he had the __________ for PKU, it did not lead to the __________ of retardation.

Accepted Answer

A)  genotype; phenotype 
B)  phenotype; genotype 
C)  dominant gene; recessive trait 
D)  recessive gene; dominant trait 
A)  genotype; phenotype 
B)  phenotype; genotype 
C)  dominant gene; recessive trait 
D)  recessive gene; dominant trait

Question 5

Monogamy refers to __________.

Accepted Answer

A)  a reproductive relationship in which several members of one sex mate with other members of that sex 
B)  a reproductive relationship in which several members of one sex mate with one individual of the other sex 
C)  a reproductive partnership between one male and one female 
D)  a reproductive partnership between two males or two females 
A)  a reproductive relationship in which several members of one sex mate with other members of that sex 
B)  a reproductive relationship in which several members of one sex mate with one individual of the other sex 
C)  a reproductive partnership between one male and one female 
D)  a reproductive partnership between two males or two females

Question 6

A brother and sister born from the same parents __________.

Accepted Answer

A)  are highly likely to share the same set of 46 chromosomes 
B)  are unlikely to share any of the same 46 chromosomes 
C)  Will share approximately 50% of the same chromosomes 
D)  will have identical chromosomes except for the sex chromosomes 
A)  are highly likely to share the same set of 46 chromosomes 
B)  are unlikely to share any of the same 46 chromosomes 
C)  Will share approximately 50% of the same chromosomes 
D)  will have identical chromosomes except for the sex chromosomes

Question 7

An expressive smile is characterized by __________.

Accepted Answer

A)  expression even when others are not around 
B)  changes in both the shape of the mouth and the shape of the upper face and eyes 
C)  when an animal or human experiences pleasure 
D)  all of the above 
A)  expression even when others are not around 
B)  changes in both the shape of the mouth and the shape of the upper face and eyes 
C)  when an animal or human experiences pleasure 
D)  all of the above

Question 8

Carolyn has an allele for red hair and an allele for brown hair. She has brown hair. Which of the following statements is true about Carolyn?

Accepted Answer

A)  Carrie is heterozygous for the hair color gene. 
B)  Carrie's phenotype does not match her genotype. 
C)  The gene for red hair must be recessive. 
D)  All of the above. 
A)  Carrie is heterozygous for the hair color gene. 
B)  Carrie's phenotype does not match her genotype. 
C)  The gene for red hair must be recessive. 
D)  All of the above.

Question 9

A female mammal carries its young and feeds its young its own milk. Thus, it has a lower need for a nest and for help during the pregnancy or immediately after birth. However, finding the most fit male to father the offspring may serve as a reproductive advantage. Which strategy would be the optimal strategy for this mammal?

Accepted Answer

A)  monogamy 
B)  polygamy 
C)  polyandry 
D)  polygyny 
A)  monogamy 
B)  polygamy 
C)  polyandry 
D)  polygyny

Question 10

Niche construction refers to __________.

Accepted Answer

A)  the process in which organisms make their nests, or niches 
B)  the process in which organisms, through their behaviors, alter their environments and thus create their own circumstances 
C)  the ability to make nests regardless of environments 
D)  the ability to maintain a behavior consistently across environments 
A)  the process in which organisms make their nests, or niches 
B)  the process in which organisms, through their behaviors, alter their environments and thus create their own circumstances 
C)  the ability to make nests regardless of environments 
D)  the ability to maintain a behavior consistently across environments

Question 11

If an individual is heterozygous for a particular gene, __________.

Accepted Answer

A)  the individual received that same identical gene from both parents 
B)  the individual received different genes from the mother and the father 
C)  the gene must be dominant 
D)  the gene must be recessive 
A)  the individual received that same identical gene from both parents 
B)  the individual received different genes from the mother and the father 
C)  the gene must be dominant 
D)  the gene must be recessive

Question 12

Which of the following is NOT true regarding Charles Darwin?

Accepted Answer

A)  He was an English naturalist. 
B)  His hobbies included collecting beetles. 
C)  He spent long periods of time observing animals and plants during his voyage on the SS Beagle. 
D)  He majored in biology in college. 
A)  He was an English naturalist. 
B)  His hobbies included collecting beetles. 
C)  He spent long periods of time observing animals and plants during his voyage on the SS Beagle. 
D)  He majored in biology in college.

Question 13

If a woman releases two eggs, and both eggs are fertilized, this would result in __________.

Accepted Answer

A)  dizygotic twins 
B)  monozygotic twins 
C)  mixed zygotic twins 
D)  none of the above 
A)  dizygotic twins 
B)  monozygotic twins 
C)  mixed zygotic twins 
D)  none of the above

Question 14

Carrie has two alleles for red hair, and she has red hair. Which of the following statements is true about Carrie?

Accepted Answer

A)  Carrie is homozygous for the hair color gene. 
B)  Carrie's phenotype matches her genotype. 
C)  The gene for red hair must be dominant. 
D)  Both a and b. 
A)  Carrie is homozygous for the hair color gene. 
B)  Carrie's phenotype matches her genotype. 
C)  The gene for red hair must be dominant. 
D)  Both a and b.

Question 15

Sociobiology refers to __________.

Accepted Answer

A)  proving that humans evolved 
B)  studying and then applying evolutionary logic to human behavior 
C)  demonstrating that humans are prewired to behave in certain ways because of their genes 
D)  all of the above 
A)  proving that humans evolved 
B)  studying and then applying evolutionary logic to human behavior 
C)  demonstrating that humans are prewired to behave in certain ways because of their genes 
D)  all of the above

Question 16

Which of the following is NOT one of the areas of caution regarding applications of evolutionary theory to psychology, as described in your book?

Accepted Answer

A)  either-or-thinking about genetic influences 
B)  believing that evolution makes organisms "better" 
C)  believing that genes make a particular behavior occur 
D)  all of the above 
A)  either-or-thinking about genetic influences 
B)  believing that evolution makes organisms "better" 
C)  believing that genes make a particular behavior occur 
D)  all of the above

Question 17

Which of the following statements best describes Darwin's theory of evolution?

Accepted Answer

A)  All life on Earth had a shared origin, so that all creatures descend from an ancient common ancestor. 
B)  All life on Earth is related to one another because of natural selection. 
C)  The most fit among creatures always survive and the weakest always die out. 
D)  Animals survive because of their best physical features. 
A)  All life on Earth had a shared origin, so that all creatures descend from an ancient common ancestor. 
B)  All life on Earth is related to one another because of natural selection. 
C)  The most fit among creatures always survive and the weakest always die out. 
D)  Animals survive because of their best physical features.

Question 18

Why, from an evolutionary perspective, might women show more jealousy regarding emotional loyalty?

Accepted Answer

A)  A female needs resources provided by the male to nourish her young, and emotional loyalty is indicative of a partner's commitment. 
B)  The female needs the male to create offspring, and emotional connections are critical for female mating. 
C)  The female has difficulty forgetting emotional hurts more than sexual transgressions and thus is more likely to attend to emotional issues. 
D)  None of the above; the female does not show more jealousy regarding emotional loyalty. 
A)  A female needs resources provided by the male to nourish her young, and emotional loyalty is indicative of a partner's commitment. 
B)  The female needs the male to create offspring, and emotional connections are critical for female mating. 
C)  The female has difficulty forgetting emotional hurts more than sexual transgressions and thus is more likely to attend to emotional issues. 
D)  None of the above; the female does not show more jealousy regarding emotional loyalty.

Question 19

The expression of some genes within one cell, but a different expression of the same set of genes within another cell refers to __________.

Accepted Answer

A)  gene expression 
B)  phenotype 
C)  genome biochemistry 
D)  protein activation 
A)  gene expression 
B)  phenotype 
C)  genome biochemistry 
D)  protein activation

Question 20

According to your book, why would a mother bird feign injury and move away from her nest when she has hatchlings?

Accepted Answer

A)  The behavior protects the young hatchlings. 
B)  It is learned. 
C)  It appears to be an inherited ability that emerged over many generations. 
D)  Both a and c. 
A)  The behavior protects the young hatchlings. 
B)  It is learned. 
C)  It appears to be an inherited ability that emerged over many generations. 
D)  Both a and c.

If both genes in a pair of genes affect the phenotype, then the alleles may be considered __________.

A typical human cell has __________ genes as the roundworm (C. elegans).

Blood type is an example of __________ gene effects.

If an individual changes his diet because it is discovered he has phenylketonuria (PKU), then one can conclude that although he had the for PKU, it did not lead to the of retardation.

Monogamy refers to __________.

A brother and sister born from the same parents __________.

An expressive smile is characterized by __________.

Carolyn has an allele for red hair and an allele for brown hair. She has brown hair. Which of the following statements is true about Carolyn?

Niche construction refers to __________.

If an individual is heterozygous for a particular gene, __________.

Which of the following is NOT true regarding Charles Darwin?

If a woman releases two eggs, and both eggs are fertilized, this would result in __________.

Carrie has two alleles for red hair, and she has red hair. Which of the following statements is true about Carrie?

Sociobiology refers to __________.

Which of the following is NOT one of the areas of caution regarding applications of evolutionary theory to psychology, as described in your book?

Which of the following statements best describes Darwin's theory of evolution?

Why, from an evolutionary perspective, might women show more jealousy regarding emotional loyalty?

The expression of some genes within one cell, but a different expression of the same set of genes within another cell refers to __________.

According to your book, why would a mother bird feign injury and move away from her nest when she has hatchlings?

Research Methods

The Brain and the Nervous System

Sensation

Perception

Consciousness

Learning

Memory

Thinking

Language

Intelligence

Motivation and Emotion

Social Psychology

Development

Personality

Psychopathology

Treatment of Mental Disorders

Filters

Exam 2: Evolutionary and Genetic Influences on Behavior

If both genes in a pair of genes affect the phenotype, then the alleles may be considered __________.

A typical human cell has __________ genes as the roundworm (C. elegans).

Blood type is an example of __________ gene effects.

If an individual changes his diet because it is discovered he has phenylketonuria (PKU), then one can conclude that although he had the __________ for PKU, it did not lead to the __________ of retardation.

Monogamy refers to __________.

A brother and sister born from the same parents __________.

An expressive smile is characterized by __________.

Carolyn has an allele for red hair and an allele for brown hair. She has brown hair. Which of the following statements is true about Carolyn?

Niche construction refers to __________.

If an individual is heterozygous for a particular gene, __________.

Which of the following is NOT true regarding Charles Darwin?

If a woman releases two eggs, and both eggs are fertilized, this would result in __________.

Carrie has two alleles for red hair, and she has red hair. Which of the following statements is true about Carrie?

Sociobiology refers to __________.

Which of the following is NOT one of the areas of caution regarding applications of evolutionary theory to psychology, as described in your book?

Which of the following statements best describes Darwin's theory of evolution?

Why, from an evolutionary perspective, might women show more jealousy regarding emotional loyalty?

The expression of some genes within one cell, but a different expression of the same set of genes within another cell refers to __________.

According to your book, why would a mother bird feign injury and move away from her nest when she has hatchlings?

Research Methods

The Brain and the Nervous System

Sensation

Perception

Consciousness

Learning

Memory

Thinking

Language

Intelligence

Motivation and Emotion

Social Psychology

Development

Personality

Psychopathology

Treatment of Mental Disorders

Filters

If an individual changes his diet because it is discovered he has phenylketonuria (PKU), then one can conclude that although he had the for PKU, it did not lead to the of retardation.