Question 1

_____ refers to a gene carried on the X chromosome.

Accepted Answer

A)  X-linked 
B)  Polygenic 
C)  Multifactorial 
D)  Recessive 
A)  X-linked 
B)  Polygenic 
C)  Multifactorial 
D)  Recessive A

Question 2

On the 23rd pair of chromosomes, males have _____.

Accepted Answer

A)  two X chromosomes 
B)  two Y chromosomes 
C)  an X chromosome and a Y chromosome 
D)  just a Y chromosome 
A)  two X chromosomes 
B)  two Y chromosomes 
C)  an X chromosome and a Y chromosome 
D)  just a Y chromosome C

Question 3

What makes Down syndrome a chromosomal condition? There are 11 characteristics that are often associated with Down syndrome. List four of these characteristics.

Accepted Answer

Down syndrome occurs when a person has three copies of chromosome 21. Some 300 distinct characteristics can result from that third chromosome 21. No individual with Down syndrome is identical to another, but the syndrome usually produces (1) a thick tongue, (2) a round face, (3) slanted eyes, (4) distinctive hands, (5) distinctive feet, and (6) distinctive fingerprints. Many people with Down syndrome also have (7) hearing problems, (8) heart abnormalities, (9) muscle weakness, and (10) short stature. They are (11) slower to develop intellectually, especially in language.

Question 4

The study of exactly how, why, and when genes change in form and expression is called "_____."

Accepted Answer

The answer of The study of exactly how, why, and...

Question 5

Almost every cell in the human body has 23 single chromosomes.

Accepted Answer

A) True 
 B)False

Question 6

Males have one X and one Y on _____.

Accepted Answer

A)  each sperm 
B)  on the 43rd chromosome 
C)  the 23rd pair of chromosomes 
D)  each stem cell 
A)  each sperm 
B)  on the 43rd chromosome 
C)  the 23rd pair of chromosomes 
D)  each stem cell

Question 7

The heritability for human traits, such as nearsightedness, _____.

Accepted Answer

A)  is the same in every culture 
B)  can differ between cultures 
C)  is not influenced by cultural factors 
D)  will always be different between cultures 
A)  is the same in every culture 
B)  can differ between cultures 
C)  is not influenced by cultural factors 
D)  will always be different between cultures

Question 8

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent is exactly like the code on the same gene from the other parent, the gene pair is _____.

Accepted Answer

The answer of The first 22 chromosomes contain hundreds of...

Question 9

An individual's phenotype describes all the following EXCEPT an individual's _____.

Accepted Answer

A)  genetic inheritance 
B)  appearance 
C)  personality 
D)  intelligence 
A)  genetic inheritance 
B)  appearance 
C)  personality 
D)  intelligence

Question 10

The _____ is the person's appearance, behavior, and brain and body functions.

Accepted Answer

A)  phenotype 
B)  allele 
C)  genotype 
D)  gamete 
A)  phenotype 
B)  allele 
C)  genotype 
D)  gamete

Question 11

Carries of the sickle-cell gene die less often from _____, which is prevalent and lethal in parts of Africa.

Accepted Answer

The answer of Carries of the sickle-cell gene die less...

Question 12

Due to biological sex (XX or XY), women become drunk on _____ than men.

Accepted Answer

A)  more alcohol 
B)  less alcohol 
C)  the same amount of alcohol 
D)  more alcohol in the summer and less alcohol in the winter 
A)  more alcohol 
B)  less alcohol 
C)  the same amount of alcohol 
D)  more alcohol in the summer and less alcohol in the winter

Question 13

As urbanization, video games, homework, and fear of strangers have kept more American children indoors, the rate of _____ has increased.

Accepted Answer

nearsighte

Question 14

Michelle and Greg are having a baby and are hoping for a boy. _____ is responsible for determining the sex of the baby.

Accepted Answer

The answer of Michelle and Greg are having a baby...

Question 15

A variation that makes a gene different in some way from other genes for the same characteristics is a(n) _____.

Accepted Answer

A)  chromosome 
B)  zygote 
C)  genotype 
D)  allele 
A)  chromosome 
B)  zygote 
C)  genotype 
D)  allele

Question 16

About one in every _____ infants is born with only one sex chromosome or with three or more, which creates a chromosomal abnormality.

Accepted Answer

A)  100 
B)  300 
C)  500 
D)  700 
A)  100 
B)  300 
C)  500 
D)  700

Question 17

Each molecule of deoxyribonucleic acid (DNA) is stored on a(n) _____.

Accepted Answer

A)  chromosome 
B)  RNA 
C)  gene 
D)  zygote 
A)  chromosome 
B)  RNA 
C)  gene 
D)  zygote

Question 18

If the 23rd pair of chromosomes is a(n) _____, the individual will be female.

Accepted Answer

The answer of If the 23rd pair of chromosomes is...

Question 19

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent differs from the code on the same gene from the other parent, the gene pair is _____.

Accepted Answer

A)  homozygous 
B)  heterozygous 
C)  monozygotic 
D)  dizygotic 
A)  homozygous 
B)  heterozygous 
C)  monozygotic 
D)  dizygotic

Question 20

James was born with genes to be a professional athlete, but his environmental experiences never supported the development of his potential athletic ability, so he never became a professional athlete. This example illustrates the concept of a trait being _____.

Accepted Answer

A)  polygenic 
B)  nonadditive 
C)  multifactorial 
D)  monozygotic 
A)  polygenic 
B)  nonadditive 
C)  multifactorial 
D)  monozygotic

Exam 3: Heredity and Environment

_____ refers to a gene carried on the X chromosome.

On the 23rd pair of chromosomes, males have _____.

What makes Down syndrome a chromosomal condition? There are 11 characteristics that are often associated with Down syndrome. List four of these characteristics.

The study of exactly how, why, and when genes change in form and expression is called "_____."

Almost every cell in the human body has 23 single chromosomes.

Males have one X and one Y on _____.

The heritability for human traits, such as nearsightedness, _____.

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent is exactly like the code on the same gene from the other parent, the gene pair is _____.

An individual's phenotype describes all the following EXCEPT an individual's _____.

The _____ is the person's appearance, behavior, and brain and body functions.

Carries of the sickle-cell gene die less often from _____, which is prevalent and lethal in parts of Africa.

Due to biological sex (XX or XY), women become drunk on _____ than men.

As urbanization, video games, homework, and fear of strangers have kept more American children indoors, the rate of _____ has increased.

Michelle and Greg are having a baby and are hoping for a boy. _____ is responsible for determining the sex of the baby.

A variation that makes a gene different in some way from other genes for the same characteristics is a(n) _____.

About one in every _____ infants is born with only one sex chromosome or with three or more, which creates a chromosomal abnormality.

Each molecule of deoxyribonucleic acid (DNA) is stored on a(n) _____.

If the 23rd pair of chromosomes is a(n) _____, the individual will be female.

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent differs from the code on the same gene from the other parent, the gene pair is _____.

James was born with genes to be a professional athlete, but his environmental experiences never supported the development of his potential athletic ability, so he never became a professional athlete. This example illustrates the concept of a trait being _____.

The Science of Human Development

Theories of Development

Prenatal Development and Birth

The First Two Years: Biosocial Development

The First Two Years: Cognitive Development

The First Two Years: Psychosocial Development

Early Childhood: Biosocial Development

Early Childhood: Cognitive Development

Early Childhood: Psychosocial Development

Middle Childhood: Biosocial Development

Middle Childhood: Cognitive Development

Middle Childhood: Psychosocial Development

Adolescence: Biosocial Development

Adolescence: Cognitive Development

Adolescence: Psychosocial Development

Emerging Adulthood: Biosocial Development

Emerging Adulthood: Cognitive Development

Emerging Adulthood: Psychosocial Development

Adulthood: Biosocial Development

Adulthood: Cognitive Development

Adulthood: Psychosocial Development

Late Adulthood: Biosocial Development

Late Adulthood: Cognitive Development

Late Adulthood: Psychosocial Development

Epilogue Death and Dying

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