Question 1

In the third through eighth weeks of a human pregnancy,the developing organism is referred to as a(n)

Accepted Answer

A) zygote. 
B) embryo. 
C) blastocyst. 
D) fetus. 
A) zygote. 
B) embryo. 
C) blastocyst. 
D) fetus.

Question 2

How many chromosomes do human beings typically have?​

Accepted Answer

A) 20 pairs for a total of 40 chromosomes 
B) 21 pairs for a total of 42 chromosomes 
C) 22 pairs for a total of 44 chromosomes 
D) 23 pairs for a total of 46 chromosomes 
A) 20 pairs for a total of 40 chromosomes 
B) 21 pairs for a total of 42 chromosomes 
C) 22 pairs for a total of 44 chromosomes 
D) 23 pairs for a total of 46 chromosomes

Question 3

The neural plate develops along the _________ midline from cells in the _________.

Accepted Answer

A) dorsal; ectoderm 
B) dorsal; mesoderm 
C) ventral; ectoderm 
D) ventral; endoderm 
A) dorsal; ectoderm 
B) dorsal; mesoderm 
C) ventral; ectoderm 
D) ventral; endoderm

Question 4

For the first two weeks of a human pregnancy,the developing organism is referred to as a(n)

Accepted Answer

A) zygote. 
B) embryo. 
C) blastocyst. 
D) fetus. 
A) zygote. 
B) embryo. 
C) blastocyst. 
D) fetus.

Question 5

Disjunction of the 21st chromosome that can lead to Down syndrome has been found to be related to​

Accepted Answer

A) paternal age. 
B) maternal age. 
C) multiple codon repeats on the X chromosome. 
D) the inability to metabolize phenylalanine. 
A) paternal age. 
B) maternal age. 
C) multiple codon repeats on the X chromosome. 
D) the inability to metabolize phenylalanine.

Question 6

A process that prevents the production of much higher amounts of protein in females than in males is known as​

Accepted Answer

A) X inactivation. 
B) imprinting. 
C) crossing over. 
D) linkage. 
A) X inactivation. 
B) imprinting. 
C) crossing over. 
D) linkage.

Question 7

Researchers believe that the conclusion of myelin growth spurts in areas associated with language learning probably indicates​

Accepted Answer

A) the beginning of a period of enhanced language learning, as the brain is now mature enough to manage this new type of input. 
B) that a child will be mentally retarded, as learning will be adversely impacted. 
C) the onset of adulthood. 
D) the end of a critical period for language learning. 
A) the beginning of a period of enhanced language learning, as the brain is now mature enough to manage this new type of input. 
B) that a child will be mentally retarded, as learning will be adversely impacted. 
C) the onset of adulthood. 
D) the end of a critical period for language learning.

Question 8

Which of the following substances appears to enhance adult neurogenesis in rats?

Accepted Answer

A) antidepressant medications 
B) sonic hedgehog 
C) alcohol 
D) marijuana 
A) antidepressant medications 
B) sonic hedgehog 
C) alcohol 
D) marijuana

Question 9

Nancy and Cliff had four children who did not have cystic fibrosis,but their fifth child was born with the disease.Cystic fibrosis is carried on a recessive gene.Given what you've learned in this chapter,how could this happen?​

Accepted Answer

A) It wasn't until the fifth child that both parents passed on the allele for this illness. 
B) Recessive genes normally skip a generation, but after the parents had five children, the gene was expressed. 
C) Their fifth child must have been a boy, which makes it more probable that he would have the illness. 
D) Their fifth child must have been a girl, which makes it more probable that she would have the illness. 
A) It wasn't until the fifth child that both parents passed on the allele for this illness. 
B) Recessive genes normally skip a generation, but after the parents had five children, the gene was expressed. 
C) Their fifth child must have been a boy, which makes it more probable that he would have the illness. 
D) Their fifth child must have been a girl, which makes it more probable that she would have the illness.

Question 10

Nerve growth factor (NGF)is a type of​

Accepted Answer

A) cell adhesion molecule. 
B) guidepost cell. 
C) inducing factor. 
D) neurotrophin. 
A) cell adhesion molecule. 
B) guidepost cell. 
C) inducing factor. 
D) neurotrophin.

Question 11

How many chromosomes do human beings receive from each parent?​

Accepted Answer

A) 23 
B) 46 
C) 21 
D) 42 
A) 23 
B) 46 
C) 21 
D) 42

Question 12

New cells formed at the ventricular zone begin to migrate after the _________ following conception.​

Accepted Answer

A) seventh day 
B) seventh week 
C) fifth month 
D) seventh month 
A) seventh day 
B) seventh week 
C) fifth month 
D) seventh month

Question 13

The proteome is defined as​

Accepted Answer

A) the set of proteins encoded and expressed by the genome. 
B) the set of proteins encoded by an individual's genotype. 
C) the rate of gene expression. 
D) a species' profile of mitochondrial DNA. 
A) the set of proteins encoded and expressed by the genome. 
B) the set of proteins encoded by an individual's genotype. 
C) the rate of gene expression. 
D) a species' profile of mitochondrial DNA.

Question 14

The generation and maintenance of good brain health is less well understood than the mechanisms responsible for disease,especially among older adults.​

Accepted Answer

A) True 
 B)False

Question 15

A single human can produce eggs or sperm with more than _________ different combinations of his or her chromosomes.​

Accepted Answer

A) 800 
B) 8,000 
C) 800,000 
D) 8,000,000 
A) 800 
B) 8,000 
C) 800,000 
D) 8,000,000

Question 16

The human brain is considered mature during which developmental period?​

Accepted Answer

A) early childhood 
B) adolescence 
C) late childhood 
D) early adulthood 
A) early childhood 
B) adolescence 
C) late childhood 
D) early adulthood

Question 17

Critical periods may end as a response to​

Accepted Answer

A) the presence or absence of neurotrophins. 
B) the presence of caspases. 
C) anterograde degeneration. 
D) an absence of cell adhesion molecules. 
A) the presence or absence of neurotrophins. 
B) the presence of caspases. 
C) anterograde degeneration. 
D) an absence of cell adhesion molecules.

Question 18

The human genome contains about ________ protein-building genes.​

Accepted Answer

A) 9,500 
B) 19,000 
C) 100,000 
D) 2.5 million 
A) 9,500 
B) 19,000 
C) 100,000 
D) 2.5 million

Question 19

One-year-old Joey's eyes have been crossing whenever he tries to focus on anything close to him.The doctor has told his parents that he has to have glasses immediately and wear them whenever he is awake.Why would the doctor say that?

Accepted Answer

A) Joey has to get used to wearing glasses as a child in order to wear them later in life. 
B) Joey has to wear glasses now so that he won't have to wear them later in life. 
C) Joey's eyesight is still developing, and if he doesn't wear glasses during this critical period, his vision could be permanently affected. 
D) Joey's doctor is probably an alarmist, and it really isn't that important. 
A) Joey has to get used to wearing glasses as a child in order to wear them later in life. 
B) Joey has to wear glasses now so that he won't have to wear them later in life. 
C) Joey's eyesight is still developing, and if he doesn't wear glasses during this critical period, his vision could be permanently affected. 
D) Joey's doctor is probably an alarmist, and it really isn't that important.

Question 20

Which of the following may help to protect the brain from the effects of stress?

Accepted Answer

A) cellular migration 
B) synaptic pruning 
C) increased levels of neurotrophins. 
D) neurogenesis 
A) cellular migration 
B) synaptic pruning 
C) increased levels of neurotrophins. 
D) neurogenesis

In the third through eighth weeks of a human pregnancy,the developing organism is referred to as a(n)

How many chromosomes do human beings typically have?

The neural plate develops along the _ midline from cells in the _.

For the first two weeks of a human pregnancy,the developing organism is referred to as a(n)

Disjunction of the 21st chromosome that can lead to Down syndrome has been found to be related to

A process that prevents the production of much higher amounts of protein in females than in males is known as

Researchers believe that the conclusion of myelin growth spurts in areas associated with language learning probably indicates

Which of the following substances appears to enhance adult neurogenesis in rats?

Nancy and Cliff had four children who did not have cystic fibrosis,but their fifth child was born with the disease.Cystic fibrosis is carried on a recessive gene.Given what you've learned in this chapter,how could this happen?

Nerve growth factor (NGF)is a type of

How many chromosomes do human beings receive from each parent?

New cells formed at the ventricular zone begin to migrate after the _________ following conception.

The proteome is defined as

The generation and maintenance of good brain health is less well understood than the mechanisms responsible for disease,especially among older adults.

A single human can produce eggs or sperm with more than _________ different combinations of his or her chromosomes.

The human brain is considered mature during which developmental period?

Critical periods may end as a response to

The human genome contains about ________ protein-building genes.

One-year-old Joey's eyes have been crossing whenever he tries to focus on anything close to him.The doctor has told his parents that he has to have glasses immediately and wear them whenever he is awake.Why would the doctor say that?

Which of the following may help to protect the brain from the effects of stress?

What Is Behavioral Neuroscience

Functional Neuroanatomy and the Evolution of the Nervous System

Neurophysiology: the Structure and Functions of the Cells of the Nervous System

Psychopharmacology

Vision

Nonvisual Sensation and Perception

Movement

Homeostasis and Motivation

Sexual Behavior

Sleep and Waking

Learning and Memory

Hemispheric Asymmetry, language, and Intelligence

Emotion, reward, aggression, and Stress

Neuropsychology

Psychopathology

Filters

Exam 5: Genetics and the Development of the Human Brain

In the third through eighth weeks of a human pregnancy,the developing organism is referred to as a(n)

How many chromosomes do human beings typically have?​

The neural plate develops along the _________ midline from cells in the _________.

For the first two weeks of a human pregnancy,the developing organism is referred to as a(n)

Disjunction of the 21st chromosome that can lead to Down syndrome has been found to be related to​

A process that prevents the production of much higher amounts of protein in females than in males is known as​

Researchers believe that the conclusion of myelin growth spurts in areas associated with language learning probably indicates​

Which of the following substances appears to enhance adult neurogenesis in rats?

Nancy and Cliff had four children who did not have cystic fibrosis,but their fifth child was born with the disease.Cystic fibrosis is carried on a recessive gene.Given what you've learned in this chapter,how could this happen?​

Nerve growth factor (NGF)is a type of​

How many chromosomes do human beings receive from each parent?​

New cells formed at the ventricular zone begin to migrate after the _________ following conception.​

The proteome is defined as​

The generation and maintenance of good brain health is less well understood than the mechanisms responsible for disease,especially among older adults.​

A single human can produce eggs or sperm with more than _________ different combinations of his or her chromosomes.​

The human brain is considered mature during which developmental period?​

Critical periods may end as a response to​

The human genome contains about ________ protein-building genes.​

One-year-old Joey's eyes have been crossing whenever he tries to focus on anything close to him.The doctor has told his parents that he has to have glasses immediately and wear them whenever he is awake.Why would the doctor say that?

Which of the following may help to protect the brain from the effects of stress?

What Is Behavioral Neuroscience

Functional Neuroanatomy and the Evolution of the Nervous System

Neurophysiology: the Structure and Functions of the Cells of the Nervous System

Psychopharmacology

Vision

Nonvisual Sensation and Perception

Movement

Homeostasis and Motivation

Sexual Behavior

Sleep and Waking

Learning and Memory

Hemispheric Asymmetry, language, and Intelligence

Emotion, reward, aggression, and Stress

Neuropsychology

Psychopathology

Filters

How many chromosomes do human beings typically have?

The neural plate develops along the _ midline from cells in the _.

Disjunction of the 21st chromosome that can lead to Down syndrome has been found to be related to

A process that prevents the production of much higher amounts of protein in females than in males is known as

Researchers believe that the conclusion of myelin growth spurts in areas associated with language learning probably indicates

Nancy and Cliff had four children who did not have cystic fibrosis,but their fifth child was born with the disease.Cystic fibrosis is carried on a recessive gene.Given what you've learned in this chapter,how could this happen?

Nerve growth factor (NGF)is a type of

How many chromosomes do human beings receive from each parent?

New cells formed at the ventricular zone begin to migrate after the _________ following conception.

The proteome is defined as

The generation and maintenance of good brain health is less well understood than the mechanisms responsible for disease,especially among older adults.

A single human can produce eggs or sperm with more than _________ different combinations of his or her chromosomes.

The human brain is considered mature during which developmental period?

Critical periods may end as a response to

The human genome contains about ________ protein-building genes.