Question 1

Briefly describe the difference(s) between "recessive" and "dominant" genes.

Accepted Answer

Some genes are "dominant" and others are

Question 2

If a child receives a dominant allele for brown hair from one parent and a recessive allele for blonde hair from the other, what do we know?

Accepted Answer

A)  The child will have blonde hair. 
B)  We cannot predict the potential hair color of the child based upon this information. 
C)  The child will have brown hair. 
D)  The child will be female. 
A)  The child will have blonde hair. 
B)  We cannot predict the potential hair color of the child based upon this information. 
C)  The child will have brown hair. 
D)  The child will be female.

Question 3

Match the following:
-Chorionic villus sampling

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 4

Match the following:
-Huntington disease

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 5

Of the 46 chromosomes in a normal human cell, how many are contributed by the mother?

Accepted Answer

A)  All 
B)  It depends upon the gender of the child. 
C)  Twenty-three 
D)  None 
A)  All 
B)  It depends upon the gender of the child. 
C)  Twenty-three 
D)  None

Question 6

Huntington disease is a fatal, progressive degenerative disorder. People who have Huntington disorder

Accepted Answer

A)  must have special diets. 
B)  are common, as the rate of this genetic disorder is very high. 
C)  usually have delayed onset of this disorder until middle adulthood. 
D)  use medications that cure the disorder. 
A)  must have special diets. 
B)  are common, as the rate of this genetic disorder is very high. 
C)  usually have delayed onset of this disorder until middle adulthood. 
D)  use medications that cure the disorder.

Question 7

About what percent of the offspring of brown-haired parents who carry recessive genes for blonde hair will have blond hair?

Accepted Answer

A)  25% 
B)  50% 
C)  75% 
D)  100% 
A)  25% 
B)  50% 
C)  75% 
D)  100%

Question 8

Preimplantation genetic diagnosis is a reliable method for selecting the sex of a child.

Accepted Answer

A) True 
 B)False

Question 9

Polygenic traits

Accepted Answer

A)  are transmitted by a single pair of genes. 
B)  are uncommon in humans. 
C)  are transmitted by the mother. 
D)  come from the combination of more than one gene. 
A)  are transmitted by a single pair of genes. 
B)  are uncommon in humans. 
C)  are transmitted by the mother. 
D)  come from the combination of more than one gene.

Question 10

People who bear one dominant and one recessive gene for a trait are

Accepted Answer

A)  going to automatically pass that characteristic on to their offspring. 
B)  definitely going to develop that characteristic. 
C)  called "carriers" of the recessive gene. 
D)  not going to pass that characteristic on to their offspring. 
A)  going to automatically pass that characteristic on to their offspring. 
B)  definitely going to develop that characteristic. 
C)  called "carriers" of the recessive gene. 
D)  not going to pass that characteristic on to their offspring.

Question 11

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 12

The primary purpose of genetic counseling is to

Accepted Answer

A)  advise couples to abort unborn children. 
B)  prove that a child will develop a certain illness. 
C)  assist potential parents in making procreation decisions. 
D)  outline the genetic risks of unprotected sex. 
A)  advise couples to abort unborn children. 
B)  prove that a child will develop a certain illness. 
C)  assist potential parents in making procreation decisions. 
D)  outline the genetic risks of unprotected sex.

Question 13

What are chromosomal disorders?

Accepted Answer

Chromosomal disorders occur when childre

Question 14

Which of the following is LESS highly canalized?

Accepted Answer

A)  Learning to sit up 
B)  Learning to crawl 
C)  Learning to speak two-word utterances 
D)  Intelligence 
A)  Learning to sit up 
B)  Learning to crawl 
C)  Learning to speak two-word utterances 
D)  Intelligence

Question 15

About how many sperm cells are contained in a single ejaculate?

Accepted Answer

A)  Around 1,000 
B)  200 to 400 million 
C)  500,000 to 1 million 
D)  Depends upon the man's progesterone levels 
A)  Around 1,000 
B)  200 to 400 million 
C)  500,000 to 1 million 
D)  Depends upon the man's progesterone levels

Question 16

Match the following:
-Gender of child

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 17

A zygote that divides into two genetically identical replicas is called

Accepted Answer

A)  monozygotic twins. 
B)  dizygotic twins. 
C)  cross-fertilization. 
D)  mitosis. 
A)  monozygotic twins. 
B)  dizygotic twins. 
C)  cross-fertilization. 
D)  mitosis.

Question 18

Color blindness is more likely to occur in

Accepted Answer

A)  males. 
B)  females. 
C)  various people, depending upon racial and ethnic background. 
D)  those people with higher socioeconomic status. 
A)  males. 
B)  females. 
C)  various people, depending upon racial and ethnic background. 
D)  those people with higher socioeconomic status.

Question 19

Our inherited traits can vary in expression given our unique environments. This is referred to as

Accepted Answer

A)  reaction range. 
B)  phenotype. 
C)  genotype. 
D)  "averaging" of genetic instructions carried by one's parents. 
A)  reaction range. 
B)  phenotype. 
C)  genotype. 
D)  "averaging" of genetic instructions carried by one's parents.

Question 20

The earliest detection of fetal abnormalities is possible with the use of

Accepted Answer

A)  amniocentesis. 
B)  ultrasound. 
C)  chorionic villus sampling. 
D)  fetoscopy. 
A)  amniocentesis. 
B)  ultrasound. 
C)  chorionic villus sampling. 
D)  fetoscopy.

Briefly describe the difference(s) between "recessive" and "dominant" genes.

If a child receives a dominant allele for brown hair from one parent and a recessive allele for blonde hair from the other, what do we know?

Match the following: -Chorionic villus sampling

Match the following: -Huntington disease

Of the 46 chromosomes in a normal human cell, how many are contributed by the mother?

Huntington disease is a fatal, progressive degenerative disorder. People who have Huntington disorder

About what percent of the offspring of brown-haired parents who carry recessive genes for blonde hair will have blond hair?

Preimplantation genetic diagnosis is a reliable method for selecting the sex of a child.

Polygenic traits

People who bear one dominant and one recessive gene for a trait are

The following is caused by a single pair of genes

The primary purpose of genetic counseling is to

What are chromosomal disorders?

Which of the following is LESS highly canalized?

About how many sperm cells are contained in a single ejaculate?

Match the following: -Gender of child

A zygote that divides into two genetically identical replicas is called

Color blindness is more likely to occur in

Our inherited traits can vary in expression given our unique environments. This is referred to as

The earliest detection of fetal abnormalities is possible with the use of

History-Theories-And-Methods

Prenatal-Development

Birth and the Newborn Baby: in the New World

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-Cognitive-Development

Middle Childhood: Social and Emotional Development

Filters

Exam 2: Heredity-And-Conception

Briefly describe the difference(s) between "recessive" and "dominant" genes.

If a child receives a dominant allele for brown hair from one parent and a recessive allele for blonde hair from the other, what do we know?

Match the following: -Chorionic villus sampling

Match the following: -Huntington disease

Of the 46 chromosomes in a normal human cell, how many are contributed by the mother?

Huntington disease is a fatal, progressive degenerative disorder. People who have Huntington disorder

About what percent of the offspring of brown-haired parents who carry recessive genes for blonde hair will have blond hair?

Preimplantation genetic diagnosis is a reliable method for selecting the sex of a child.

Polygenic traits

People who bear one dominant and one recessive gene for a trait are

The following is caused by a single pair of genes

The primary purpose of genetic counseling is to

What are chromosomal disorders?

Which of the following is LESS highly canalized?

About how many sperm cells are contained in a single ejaculate?

Match the following: -Gender of child

A zygote that divides into two genetically identical replicas is called

Color blindness is more likely to occur in

Our inherited traits can vary in expression given our unique environments. This is referred to as

The earliest detection of fetal abnormalities is possible with the use of

History-Theories-And-Methods

Prenatal-Development

Birth and the Newborn Baby: in the New World

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-Cognitive-Development

Middle Childhood: Social and Emotional Development

Filters