Question 1

Enzymes serve as ____.​

Accepted Answer

A) genetic templates 
B) ​physiological markers of chemical reactions in the body 
C) ​biological catalysts that regulate chemical reactions in the body 
D) catalysts for the synthesis of protein molecules 
A) genetic templates 
B) ​physiological markers of chemical reactions in the body 
C) ​biological catalysts that regulate chemical reactions in the body 
D) catalysts for the synthesis of protein molecules

Question 2

The ability of the brain to change its anatomy over time,within limits,is known as ____.​

Accepted Answer

A) plasticity 
B) ​regression 
C) ​connectivity 
D) long term potentiation 
A) plasticity 
B) ​regression 
C) ​connectivity 
D) long term potentiation

Question 3

If a trait has high heritability,____.​

Accepted Answer

A) hereditary differences will not account for any observed variations in that trait 
B) ​the environment cannot influence that trait 
C) ​the environment may possibly influence that trait 
D) heredity does not influence that trait 
A) hereditary differences will not account for any observed variations in that trait 
B) ​the environment cannot influence that trait 
C) ​the environment may possibly influence that trait 
D) heredity does not influence that trait

Question 4

What is TRUE about altruistic behavior?​

Accepted Answer

A) It is evident in every animal species. 
B) ​It can be completely explained in terms of genetic contributions. 
C) ​It is difficult to explain from an evolutionary/genetic point of view. 
D) It has a genetic component only in humans. 
A) It is evident in every animal species. 
B) ​It can be completely explained in terms of genetic contributions. 
C) ​It is difficult to explain from an evolutionary/genetic point of view. 
D) It has a genetic component only in humans.

Question 5

An autosomal gene is a gene ____.​

Accepted Answer

A) on the X chromosome 
B) ​on the Y chromosome 
C) ​on any chromosome other than the X or Y chromosome 
D) that shows no evidence of crossing over 
A) on the X chromosome 
B) ​on the Y chromosome 
C) ​on any chromosome other than the X or Y chromosome 
D) that shows no evidence of crossing over

Question 6

Suppose "A" is a dominant gene for the ability to taste phenylthiocarbamide and "a" is a recessive gene for the inability to taste it.Which couples could possibly have both a child who tastes it and a child who does not?​

Accepted Answer

A) father AA, mother aa 
B) ​father Aa, mother AA 
C) ​father Aa, mother Aa 
D) father AA, mother AA 
A) father AA, mother aa 
B) ​father Aa, mother AA 
C) ​father Aa, mother Aa 
D) father AA, mother AA

Question 7

Sex-linked genes are usually found on the Y chromosome.​

Accepted Answer

A) True 
 B)False

Question 8

____ steer new axonal branches and synapses in the right direction.​

Accepted Answer

A) Chemokines 
B) ​Immunoglobulin 
C) ​Glia 
D) Neurotrophins 
A) Chemokines 
B) ​Immunoglobulin 
C) ​Glia 
D) Neurotrophins

Question 9

Closed head injury is ____.​

Accepted Answer

A) the most common cause of brain damage in young adults 
B) ​usually fatal 
C) ​the most common cause of Korsakoff's syndrome 
D) related to Alzheimer's disease 
A) the most common cause of brain damage in young adults 
B) ​usually fatal 
C) ​the most common cause of Korsakoff's syndrome 
D) related to Alzheimer's disease

Question 10

Axons are usually formed before the dendrites.​

Accepted Answer

A) True 
 B)False

Question 11

Apoptosis ____.​

Accepted Answer

A) is a programmed mechanism of cell death 
B) ​promotes the survival and growth of the axon 
C) ​promotes the survival and growth of dendrites 
D) promotes the activity of neurons 
A) is a programmed mechanism of cell death 
B) ​promotes the survival and growth of the axon 
C) ​promotes the survival and growth of dendrites 
D) promotes the activity of neurons

Question 12

The areas of the cortex used by expert video game players are most likely to ____ than the same cortical areas of those who do not play video games.​

Accepted Answer

A) be thicker 
B) ​have smaller, but a greater number of neurons 
C) ​have faster action potentials 
D) be more resistant to transcortical stimulation 
A) be thicker 
B) ​have smaller, but a greater number of neurons 
C) ​have faster action potentials 
D) be more resistant to transcortical stimulation

Question 13

Removal of ____ turns genes off.​

Accepted Answer

A) enzymes 
B) ​histones 
C) ​esters 
D) acetyl groups 
A) enzymes 
B) ​histones 
C) ​esters 
D) acetyl groups

Question 14

Describe the relationship between heredity and environment.​

Accepted Answer

Suppose someone asks whether singing abi

Question 15

To determine the contributions of heredity and environment,researchers rely mainly on studies of monozygotic and dizygotic twins.​

Accepted Answer

A) True 
 B)False

Question 16

Organisms that help those they recognize as capable of returning the favor are displaying ____.​

Accepted Answer

A) kin selection 
B) ​group selection 
C) ​reciprocal altruism 
D) sociobiology 
A) kin selection 
B) ​group selection 
C) ​reciprocal altruism 
D) sociobiology

Question 17

Alcohol suppresses the release of ____,the brain's main excitatory transmitter.​

Accepted Answer

A) 5-HT 
B) ​DA 
C) ​GABA 
D) glutamate 
A) 5-HT 
B) ​DA 
C) ​GABA 
D) glutamate

Question 18

Breeding some animals selectively because they possess some desirable characteristic is called ____.​

Accepted Answer

A) evolution 
B) ​natural selection 
C) ​artificial selection 
D) artificial insemination 
A) evolution 
B) ​natural selection 
C) ​artificial selection 
D) artificial insemination

Question 19

How much alcohol,if any,can a pregnant woman drink without worrying about the negative effects on her child?​

Accepted Answer

A) The equivalent of two cocktails a day 
B) ​The equivalent of one beer a day 
C) ​Anything less than what causes her to appear drunk 
D) Unknown, and therefore abstention is recommended 
A) The equivalent of two cocktails a day 
B) ​The equivalent of one beer a day 
C) ​Anything less than what causes her to appear drunk 
D) Unknown, and therefore abstention is recommended

Question 20

On a given trait,high heritability suggests that ____.​

Accepted Answer

A) adopted children will closely resemble their biological parents 
B) ​adopted children will closely resemble their adoptive parents 
C) ​identical twins will be less similar to each other than adopted siblings 
D) fraternal twins will be more similar to each other than identical twins 
A) adopted children will closely resemble their biological parents 
B) ​adopted children will closely resemble their adoptive parents 
C) ​identical twins will be less similar to each other than adopted siblings 
D) fraternal twins will be more similar to each other than identical twins

Enzymes serve as ____.

The ability of the brain to change its anatomy over time,within limits,is known as ____.

If a trait has high heritability,____.

What is TRUE about altruistic behavior?

An autosomal gene is a gene ____.

Suppose "A" is a dominant gene for the ability to taste phenylthiocarbamide and "a" is a recessive gene for the inability to taste it.Which couples could possibly have both a child who tastes it and a child who does not?

Sex-linked genes are usually found on the Y chromosome.

____ steer new axonal branches and synapses in the right direction.

Closed head injury is ____.

Axons are usually formed before the dendrites.

Apoptosis ____.

The areas of the cortex used by expert video game players are most likely to ____ than the same cortical areas of those who do not play video games.

Removal of ____ turns genes off.

Describe the relationship between heredity and environment.

To determine the contributions of heredity and environment,researchers rely mainly on studies of monozygotic and dizygotic twins.

Organisms that help those they recognize as capable of returning the favor are displaying ____.

Alcohol suppresses the release of ____,the brain's main excitatory transmitter.

Breeding some animals selectively because they possess some desirable characteristic is called ____.

How much alcohol,if any,can a pregnant woman drink without worrying about the negative effects on her child?

On a given trait,high heritability suggests that ____.

Nerve Cells and Nerve Impulses

Synapses

Anatomy and Research Methods

Vision

Other Sensory Systems

Movement

Wakefulness and Sleep

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Psychological Disorders

Appendix A: Brief, basic Chemistry

Filters

Exam 4: Genetics, evolution, development, and Plasticity

Enzymes serve as ____.​

The ability of the brain to change its anatomy over time,within limits,is known as ____.​

If a trait has high heritability,____.​

What is TRUE about altruistic behavior?​

An autosomal gene is a gene ____.​

Suppose "A" is a dominant gene for the ability to taste phenylthiocarbamide and "a" is a recessive gene for the inability to taste it.Which couples could possibly have both a child who tastes it and a child who does not?​

Sex-linked genes are usually found on the Y chromosome.​

____ steer new axonal branches and synapses in the right direction.​

Closed head injury is ____.​

Axons are usually formed before the dendrites.​

Apoptosis ____.​

The areas of the cortex used by expert video game players are most likely to ____ than the same cortical areas of those who do not play video games.​

Removal of ____ turns genes off.​

Describe the relationship between heredity and environment.​

To determine the contributions of heredity and environment,researchers rely mainly on studies of monozygotic and dizygotic twins.​

Organisms that help those they recognize as capable of returning the favor are displaying ____.​

Alcohol suppresses the release of ____,the brain's main excitatory transmitter.​

Breeding some animals selectively because they possess some desirable characteristic is called ____.​

How much alcohol,if any,can a pregnant woman drink without worrying about the negative effects on her child?​

On a given trait,high heritability suggests that ____.​

Nerve Cells and Nerve Impulses

Synapses

Anatomy and Research Methods

Vision

Other Sensory Systems

Movement

Wakefulness and Sleep

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Psychological Disorders

Appendix A: Brief, basic Chemistry

Filters

Enzymes serve as ____.

The ability of the brain to change its anatomy over time,within limits,is known as ____.

If a trait has high heritability,____.

What is TRUE about altruistic behavior?

An autosomal gene is a gene ____.

Suppose "A" is a dominant gene for the ability to taste phenylthiocarbamide and "a" is a recessive gene for the inability to taste it.Which couples could possibly have both a child who tastes it and a child who does not?

Sex-linked genes are usually found on the Y chromosome.

____ steer new axonal branches and synapses in the right direction.

Closed head injury is ____.

Axons are usually formed before the dendrites.

Apoptosis ____.

The areas of the cortex used by expert video game players are most likely to ____ than the same cortical areas of those who do not play video games.

Removal of ____ turns genes off.

Describe the relationship between heredity and environment.

To determine the contributions of heredity and environment,researchers rely mainly on studies of monozygotic and dizygotic twins.

Organisms that help those they recognize as capable of returning the favor are displaying ____.

Alcohol suppresses the release of ____,the brain's main excitatory transmitter.

Breeding some animals selectively because they possess some desirable characteristic is called ____.

How much alcohol,if any,can a pregnant woman drink without worrying about the negative effects on her child?

On a given trait,high heritability suggests that ____.