Question 1

Studies on monozygotic twins raised in separate homes are useful for

Accepted Answer

A)  treating biological disorders of monozygotic twins. 
B)  analyzing the academic abilities of twins versus individual children. 
C)  learning whether twins should be separated or not. 
D)  identifying the genetics underlying twins' behaviors and attitudes. 
A)  treating biological disorders of monozygotic twins. 
B)  analyzing the academic abilities of twins versus individual children. 
C)  learning whether twins should be separated or not. 
D)  identifying the genetics underlying twins' behaviors and attitudes. D

Question 2

Match the following:
-Estrogen

Accepted Answer

A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion 
A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion G

Question 3

Which statement about sperm is false?

Accepted Answer

A)  Only one can penetrate an ovum. 
B)  Many are killed by normal vaginal acidity. 
C)  They sometimes swim up the wrong tube. 
D)  They are attracted to ova by a sound wave ova emit. 
A)  Only one can penetrate an ovum. 
B)  Many are killed by normal vaginal acidity. 
C)  They sometimes swim up the wrong tube. 
D)  They are attracted to ova by a sound wave ova emit. D

Question 4

In deoxyribonucleic acid (DNA), adenine is paired with

Accepted Answer

A)  guanine. 
B)  thymine. 
C)  simple sugar. 
D)  guanine, thymine, and simple sugar. 
A)  guanine. 
B)  thymine. 
C)  simple sugar. 
D)  guanine, thymine, and simple sugar.

Question 5

Match the following:
-Genotype

Accepted Answer

A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion 
A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion

Question 6

Which pair of chromosomes determines a person's sex?

Accepted Answer

A)  The 23rd chromosome determines sex. 
B)  The first chromosome determines sex. 
C)  None determines sex. 
D)  They all determine sex. 
A)  The 23rd chromosome determines sex. 
B)  The first chromosome determines sex. 
C)  None determines sex. 
D)  They all determine sex.

Question 7

Match the following:
-Phenotype

Accepted Answer

A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion 
A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion

Question 8

Every cell in the human body carries one and only one gene.

Accepted Answer

A) True 
 B)False

Question 9

Match the following:
-Spin a bifida

Accepted Answer

A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion 
A)  takes the form of a double helix 
B)  person who carries and transmits characteristics but does not express them 
C)  correlation between child's genetic endowment and responses elicited from others 
D)  the genetic material received from parents 
E)  caused by a recessive gene
F) Polygenically determined
G) female sex hormone
H) neural tube defect
I) twins produced from a single egg
J) cell division that results in non identical cells
K) union of an ovum and a sperm cell
L) involves the membrane that envelops the amniotic sac and fetus
M) associated with the 21st pair of chromosomes
N) how genetic material manifests itself in characteristics
O) twins produced from two eggs
P) XXY sex chromosomal pattern
Q) determined by the father
R) differing alleles for a trait
S) caused by a dominant gene
T) self-propulsion

Question 10

The mother always contributes a(n)

Accepted Answer

A)  Y sex chromosome. 
B)  X sex chromosome. 
C)  XX sex chromosome. 
D)  XY sex chromosome. 
A)  Y sex chromosome. 
B)  X sex chromosome. 
C)  XX sex chromosome. 
D)  XY sex chromosome.

Question 11

Adopted children are most likely to become insecure when they are in

Accepted Answer

A)  preschool. 
B)  elementary school. 
C)  middle school. 
D)  high school. 
A)  preschool. 
B)  elementary school. 
C)  middle school. 
D)  high school.

Question 12

The bulk of a fertile human egg is contributed by the sperm.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is caused by a single pair of genes?

Accepted Answer

A)  Cystic fibrosis 
B)  Down syndrome 
C)  Sex-linked chromosomal abnormalities 
D)  Crohn's disease 
A)  Cystic fibrosis 
B)  Down syndrome 
C)  Sex-linked chromosomal abnormalities 
D)  Crohn's disease

Question 14

Which of the following is TRUE regarding amniocentesis and chorionic villus sampling (CVS)?

Accepted Answer

A)  The risks of spontaneous abortion are about the same with both chorionic villus sampling (CVS)and amniocentesis. 
B)  Both are performed 14-16 weeks after conception. 
C)  Any trained practitioner can carry out the procedures with equal skill. 
D)  Both involve the examination of villi from the membrane that envelops the amniotic sac and fetus. 
A)  The risks of spontaneous abortion are about the same with both chorionic villus sampling (CVS)and amniocentesis. 
B)  Both are performed 14-16 weeks after conception. 
C)  Any trained practitioner can carry out the procedures with equal skill. 
D)  Both involve the examination of villi from the membrane that envelops the amniotic sac and fetus.

Question 15

Which of the following twin pair would physically resemble each other the most?

Accepted Answer

A)  Dizygotic of either sex 
B)  Monozygotic 
C)  Dizygotic males 
D)  Monozygotic, but only if female 
A)  Dizygotic of either sex 
B)  Monozygotic 
C)  Dizygotic males 
D)  Monozygotic, but only if female

Question 16

Some bicycle seats can cause a reduction in sperm production for some males.

Accepted Answer

A) True 
 B)False

Studies on monozygotic twins raised in separate homes are useful for

Match the following: -Estrogen

Which statement about sperm is false?

In deoxyribonucleic acid (DNA), adenine is paired with

Match the following: -Genotype

Which pair of chromosomes determines a person's sex?

Match the following: -Phenotype

Every cell in the human body carries one and only one gene.

Match the following: -Spin a bifida

The mother always contributes a(n)

Adopted children are most likely to become insecure when they are in

The bulk of a fertile human egg is contributed by the sperm.

Which of the following is caused by a single pair of genes?

Which of the following is TRUE regarding amniocentesis and chorionic villus sampling (CVS)?

Which of the following twin pair would physically resemble each other the most?

Some bicycle seats can cause a reduction in sperm production for some males.

History, Theories, and Methods

Prenatal Development

Birth and the Newborn Baby

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical Development

Early Childhood: Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical Development

Middle Childhood: Social, Emotional Development, and Cognitive Development

Adolescence: Physical Development

Adolescence: Cognitive Development

Adolescence: Social and Emotional Development

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Exam 2: Heredity and Conception

Studies on monozygotic twins raised in separate homes are useful for

Match the following: -Estrogen

Which statement about sperm is false?

In deoxyribonucleic acid (DNA), adenine is paired with

Match the following: -Genotype

Which pair of chromosomes determines a person's sex?

Match the following: -Phenotype

Every cell in the human body carries one and only one gene.

Match the following: -Spin a bifida

The mother always contributes a(n)

Adopted children are most likely to become insecure when they are in

The bulk of a fertile human egg is contributed by the sperm.

Which of the following is caused by a single pair of genes?

Which of the following is TRUE regarding amniocentesis and chorionic villus sampling (CVS)?

Which of the following twin pair would physically resemble each other the most?

Some bicycle seats can cause a reduction in sperm production for some males.

History, Theories, and Methods

Prenatal Development

Birth and the Newborn Baby

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical Development

Early Childhood: Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical Development

Middle Childhood: Social, Emotional Development, and Cognitive Development

Adolescence: Physical Development

Adolescence: Cognitive Development

Adolescence: Social and Emotional Development

Filters