Question 1

A person who has a dominant trait for brown eyes and a recessive trait for blue eyes is most likely to be brown-eyed.

Accepted Answer

A) True 
 B)False

Question 2

What is the effect of cigarette smoking during pregnancy?

Accepted Answer

A)  It has no long-term adverse effects. 
B)  It is NOT toxic to the developing fetus because the placenta protects it from harm. 
C)  It is associated with low birth weight and increased risk of stillbirth and infant mortality. 
D)  It is only a problem if the woman smokes; second-hand smoke holds no risk for the developing fetus. 
A)  It has no long-term adverse effects. 
B)  It is NOT toxic to the developing fetus because the placenta protects it from harm. 
C)  It is associated with low birth weight and increased risk of stillbirth and infant mortality. 
D)  It is only a problem if the woman smokes; second-hand smoke holds no risk for the developing fetus.

Question 3

What factor determines the sex of a child?

Accepted Answer

A)  the presence of dionyotic acetate in the uterus 
B)  the sex chromosome received from the father 
C)  the time in the ovulation cycle when conception occurs 
D)  the presence or absence of teratogens at the time of conception 
A)  the presence of dionyotic acetate in the uterus 
B)  the sex chromosome received from the father 
C)  the time in the ovulation cycle when conception occurs 
D)  the presence or absence of teratogens at the time of conception

Question 4

Dr.White specializes in prenatal medicine and performs numerous amniocenteses each year.Which woman is Dr White most likely to recommend for an amniocentesis?

Accepted Answer

A)  an Asian-Canadian woman 
B)  an African-Canadian woman 
C)  a woman older than age 35 
D)  a woman younger than age 20 
A)  an Asian-Canadian woman 
B)  an African-Canadian woman 
C)  a woman older than age 35 
D)  a woman younger than age 20

Question 5

Richard and Alice have just conceived.They joke, by stating "they are building a baby." Precisely how many chromosomes will Alice contribute?

Accepted Answer

A)  13 
B)  23 
C)  46 
D)  92 
A)  13 
B)  23 
C)  46 
D)  92

Question 6

MATCHING
-Sickle-cell anemia

Accepted Answer

A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female 
A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female

Question 7

What symptom describes Huntington disease (HD)?

Accepted Answer

A)  infertility 
B)  an inability to metabolize an amino acid 
C)  uncontrollable muscle movements 
D)  complications such as blindness 
A)  infertility 
B)  an inability to metabolize an amino acid 
C)  uncontrollable muscle movements 
D)  complications such as blindness

Question 8

Which of the following is a characteristic of toxemia?

Accepted Answer

A)  It has clear causal factors. 
B)  It sometimes causes maternal death. 
C)  It is a problem for only the unborn child. 
D)  It usually causes babies to be born extremely overweight. 
A)  It has clear causal factors. 
B)  It sometimes causes maternal death. 
C)  It is a problem for only the unborn child. 
D)  It usually causes babies to be born extremely overweight.

Question 9

Which of the following is a defining characteristic of the placenta?

Accepted Answer

A)  It develops from only the mother's tissue. 
B)  It is reused for each of a woman's pregnancies. 
C)  It acts as an impermeable barrier that protects the developing fetus from toxins. 
D)  It acts as a filter that permits oxygen and nutrients from the mother to reach the embryo. 
A)  It develops from only the mother's tissue. 
B)  It is reused for each of a woman's pregnancies. 
C)  It acts as an impermeable barrier that protects the developing fetus from toxins. 
D)  It acts as a filter that permits oxygen and nutrients from the mother to reach the embryo.

Question 10

MATCHING
-Estrogen

Accepted Answer

A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female 
A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female

Question 11

The typical sex chromosome pattern for females is XY.

Accepted Answer

A) True 
 B)False

Question 12

MATCHING
-Heterozygous

Accepted Answer

A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female 
A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female

Question 13

What is "amniocentesis?" When is it likely to be performed and what can be determined by doing so?

Accepted Answer

Amniocentesis is a procedure that is som

Question 14

Amniocentesis and CVS have no known risks to the unborn embryo.

Accepted Answer

A) True 
 B)False

Question 15

You are a science teacher and one of your students asks: "How many genes ultimately govern our heredity?" What is your reply?

Accepted Answer

A)  We have 1,000 to 1,500 genes in our cells. 
B)  We have 10,000 to 20,000 genes in our cells. 
C)  We have 20,000 to 25,000 genes in our cells. 
D)  We have 25,000 to 35,000 genes in our cells. 
A)  We have 1,000 to 1,500 genes in our cells. 
B)  We have 10,000 to 20,000 genes in our cells. 
C)  We have 20,000 to 25,000 genes in our cells. 
D)  We have 25,000 to 35,000 genes in our cells.

Question 16

MATCHING
-Gender of child

Accepted Answer

A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female 
A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
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)female hormone
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 father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female

Question 17

DNA takes the form of what physical shape?

Accepted Answer

A)  a zipper 
B)  a straight ladder 
C)  a twisting ladder 
D)  interlocking circles 
A)  a zipper 
B)  a straight ladder 
C)  a twisting ladder 
D)  interlocking circles

Question 18

After ejaculation, how long does it take sperm to reach the fallopian tubes?

Accepted Answer

A)  60 to 90 seconds 
B)  5 to 15 minutes 
C)  20 to 30 minutes 
D)  60 to 90 minutes 
A)  60 to 90 seconds 
B)  5 to 15 minutes 
C)  20 to 30 minutes 
D)  60 to 90 minutes

Question 19

Which of the following is an essential attribute of Down syndrome?

Accepted Answer

A)  It is caused by a virus during pregnancy. 
B)  It is significantly more likely in boys than girls. 
C)  It is caused by a defect on the sex chromosomes. 
D)  It is increasingly likely among children born to older parents. 
A)  It is caused by a virus during pregnancy. 
B)  It is significantly more likely in boys than girls. 
C)  It is caused by a defect on the sex chromosomes. 
D)  It is increasingly likely among children born to older parents.

Question 20

Cigarette smoking during pregnancy has no long-term effects for the offspring.

Accepted Answer

A) True 
 B)False

A person who has a dominant trait for brown eyes and a recessive trait for blue eyes is most likely to be brown-eyed.

What is the effect of cigarette smoking during pregnancy?

What factor determines the sex of a child?

Dr.White specializes in prenatal medicine and performs numerous amniocenteses each year.Which woman is Dr White most likely to recommend for an amniocentesis?

Richard and Alice have just conceived.They joke, by stating "they are building a baby." Precisely how many chromosomes will Alice contribute?

MATCHING -Sickle-cell anemia

What symptom describes Huntington disease (HD)?

Which of the following is a characteristic of toxemia?

Which of the following is a defining characteristic of the placenta?

MATCHING -Estrogen

The typical sex chromosome pattern for females is XY.

MATCHING -Heterozygous

What is "amniocentesis?" When is it likely to be performed and what can be determined by doing so?

Amniocentesis and CVS have no known risks to the unborn embryo.

You are a science teacher and one of your students asks: "How many genes ultimately govern our heredity?" What is your reply?

MATCHING -Gender of child

DNA takes the form of what physical shape?

After ejaculation, how long does it take sperm to reach the fallopian tubes?

Which of the following is an essential attribute of Down syndrome?

Cigarette smoking during pregnancy has no long-term effects for the offspring.

History, Theories, and Methods

Birth and the Newborn Baby: in the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Life's

Filters

Exam 2: Heredity and Prenatal Development

A person who has a dominant trait for brown eyes and a recessive trait for blue eyes is most likely to be brown-eyed.

What is the effect of cigarette smoking during pregnancy?

What factor determines the sex of a child?

Dr.White specializes in prenatal medicine and performs numerous amniocenteses each year.Which woman is Dr White most likely to recommend for an amniocentesis?

Richard and Alice have just conceived.They joke, by stating "they are building a baby." Precisely how many chromosomes will Alice contribute?

MATCHING -Sickle-cell anemia

What symptom describes Huntington disease (HD)?

Which of the following is a characteristic of toxemia?

Which of the following is a defining characteristic of the placenta?

MATCHING -Estrogen

The typical sex chromosome pattern for females is XY.

MATCHING -Heterozygous

What is "amniocentesis?" When is it likely to be performed and what can be determined by doing so?

Amniocentesis and CVS have no known risks to the unborn embryo.

You are a science teacher and one of your students asks: "How many genes ultimately govern our heredity?" What is your reply?

MATCHING -Gender of child

DNA takes the form of what physical shape?

After ejaculation, how long does it take sperm to reach the fallopian tubes?

Which of the following is an essential attribute of Down syndrome?

Cigarette smoking during pregnancy has no long-term effects for the offspring.

History, Theories, and Methods

Birth and the Newborn Baby: in the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Life's

Filters