Question 1

The period from birth to the end of the first month is known as the _________________________ period.

Accepted Answer

neonatal

Question 2

An individual's entire genetic makeup is called his or her _________________________.

Accepted Answer

genotype

Question 3

Which of the following provides the main source of energy to a newborn the first few days after birth?

Accepted Answer

A)  yolk sac 
B)  fat 
C)  protein 
D)  carbohydrates 
E)  decidua 
A)  yolk sac 
B)  fat 
C)  protein 
D)  carbohydrates 
E)  decidua B

Question 4

The division of the zygote into two blastomeres is referred to as

Accepted Answer

A)  cleavage. 
B)  implantation. 
C)  placentation. 
D)  embryogenesis. 
E)  fertilization. 
A)  cleavage. 
B)  implantation. 
C)  placentation. 
D)  embryogenesis. 
E)  fertilization.

Question 5

Fertilization of the ovum usually occurs

Accepted Answer

A)  within one hour of ovulation. 
B)  as much as three to four days following ovulation. 
C)  in the ovary. 
D)  in the upper 1/3 of the uterine tube. 
E)  in the uterus. 
A)  within one hour of ovulation. 
B)  as much as three to four days following ovulation. 
C)  in the ovary. 
D)  in the upper 1/3 of the uterine tube. 
E)  in the uterus.

Question 6

A person whose genotype is XY would be a _________________________.

Accepted Answer

The answer of A person whose genotype is XY would...

Question 7

The process of forming a placenta is called _________________________.

Accepted Answer

The answer of The process of forming a placenta is...

Question 8

The chorionic villi

Accepted Answer

A)  form the umbilical cord. 
B)  form the umbilical vein. 
C)  form the umbilical arteries. 
D)  increase the surface area available for exchange between the placenta and the maternal blood. 
E)  form a portion of the placenta. 
A)  form the umbilical cord. 
B)  form the umbilical vein. 
C)  form the umbilical arteries. 
D)  increase the surface area available for exchange between the placenta and the maternal blood. 
E)  form a portion of the placenta.

Question 9

The umbilical cord contains one umbilical _________________________ and two umbilical _________________________.

Accepted Answer

The answer of The umbilical cord contains one umbilical _________________________...

Question 10

Using the figure above, identify the labeled part.
-Label B: ________

Accepted Answer

The answer of   Using the figure above, identify...

Question 11

The endoderm forms

Accepted Answer

A)  muscle. 
B)  neural tissue. 
C)  blood. 
D)  skin. 
E)  stomach mucosae. 
A)  muscle. 
B)  neural tissue. 
C)  blood. 
D)  skin. 
E)  stomach mucosae.

Question 12

During implantation,

Accepted Answer

A)  the syncytial trophoblast erodes a path through the endometrium. 
B)  the inner cell mass begins to form the placenta. 
C)  maternal blood vessels in the endometrium are walled off from the blastocyst. 
D)  the entire trophoblast becomes syncytial. 
E)  the inner cell mass is temporarily deprived of nutrients. 
A)  the syncytial trophoblast erodes a path through the endometrium. 
B)  the inner cell mass begins to form the placenta. 
C)  maternal blood vessels in the endometrium are walled off from the blastocyst. 
D)  the entire trophoblast becomes syncytial. 
E)  the inner cell mass is temporarily deprived of nutrients.

Question 13

In simple inheritance,

Accepted Answer

A)  phenotypic characteristics are determined by a single pair of alleles. 
B)  phenotypic characteristics are determined by multiple alleles. 
C)  phenotypic characteristics are determined by the action of a single gene. 
D)  phenotypic characteristics are controlled by regulator genes on a chromosome other than the one that has the structural genes. 
E)  phenotypic characteristics are determined by the genes on the Y chromosome. 
A)  phenotypic characteristics are determined by a single pair of alleles. 
B)  phenotypic characteristics are determined by multiple alleles. 
C)  phenotypic characteristics are determined by the action of a single gene. 
D)  phenotypic characteristics are controlled by regulator genes on a chromosome other than the one that has the structural genes. 
E)  phenotypic characteristics are determined by the genes on the Y chromosome.

Question 14

Human somatic cells contain _________________________ chromosomes.

Accepted Answer

The answer of Human somatic cells contain _________________________ chromosomes....

Question 15

Separation of the inner cell mass from the trophoblast forms the

Accepted Answer

A)  blastocoele. 
B)  lacunae. 
C)  amniotic cavity. 
D)  chorion. 
E)  allantois. 
A)  blastocoele. 
B)  lacunae. 
C)  amniotic cavity. 
D)  chorion. 
E)  allantois.

Question 16

As a person ages,

Accepted Answer

A)  hormone levels decrease. 
B)  bones become more fragile. 
C)  peristalsis and muscle tone decrease. 
D)  B and C only 
E)  all of the above 
A)  hormone levels decrease. 
B)  bones become more fragile. 
C)  peristalsis and muscle tone decrease. 
D)  B and C only 
E)  all of the above

Question 17

Paired chromosomes are called

Accepted Answer

A)  homologous chromosomes. 
B)  heterozygous chromosomes. 
C)  homozygous chromosomes. 
D)  autosomal chromosomes. 
E)  alleles. 
A)  homologous chromosomes. 
B)  heterozygous chromosomes. 
C)  homozygous chromosomes. 
D)  autosomal chromosomes. 
E)  alleles.

Question 18

Polygenic traits include

Accepted Answer

A)  eye color and hair colors other than pure blond or red. 
B)  albinism and brachydactyly. 
C)  inability to roll the tongue into a U-shape. 
D)  curly hair and eye color. 
E)  blood Rh factor and color blindness. 
A)  eye color and hair colors other than pure blond or red. 
B)  albinism and brachydactyly. 
C)  inability to roll the tongue into a U-shape. 
D)  curly hair and eye color. 
E)  blood Rh factor and color blindness.

Question 19

The period of gestation when the rudiments of all major organ systems appear is the ________ trimester(s).

Accepted Answer

A)  first 
B)  second 
C)  third 
D)  first and second 
E)  second and third 
A)  first 
B)  second 
C)  third 
D)  first and second 
E)  second and third

Question 20

The gene that is NOT expressed in a heterozygous situation is called

Accepted Answer

A)  dominant. 
B)  recessive. 
C)  incomplete. 
D)  phenotypic. 
A)  dominant. 
B)  recessive. 
C)  incomplete. 
D)  phenotypic.

The period from birth to the end of the first month is known as the _________________________ period.

An individual's entire genetic makeup is called his or her _________________________.

Which of the following provides the main source of energy to a newborn the first few days after birth?

The division of the zygote into two blastomeres is referred to as

Fertilization of the ovum usually occurs

A person whose genotype is XY would be a _________________________.

The process of forming a placenta is called _________________________.

The chorionic villi

The umbilical cord contains one umbilical _ and two umbilical _.

Using the figure above, identify the labeled part. -Label B: ________

The endoderm forms

During implantation,

In simple inheritance,

Human somatic cells contain _________________________ chromosomes.

Separation of the inner cell mass from the trophoblast forms the

As a person ages,

Paired chromosomes are called

Polygenic traits include

The period of gestation when the rudiments of all major organ systems appear is the ________ trimester(s).

The gene that is NOT expressed in a heterozygous situation is called

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

The Reproductive System

Filters

Exam 20: Development and Inheritance

The period from birth to the end of the first month is known as the _________________________ period.

An individual's entire genetic makeup is called his or her _________________________.

Which of the following provides the main source of energy to a newborn the first few days after birth?

The division of the zygote into two blastomeres is referred to as

Fertilization of the ovum usually occurs

A person whose genotype is XY would be a _________________________.

The process of forming a placenta is called _________________________.

The chorionic villi

The umbilical cord contains one umbilical _________________________ and two umbilical _________________________.

Using the figure above, identify the labeled part. -Label B: ________

The endoderm forms

During implantation,

In simple inheritance,

Human somatic cells contain _________________________ chromosomes.

Separation of the inner cell mass from the trophoblast forms the

As a person ages,

Paired chromosomes are called

Polygenic traits include

The period of gestation when the rudiments of all major organ systems appear is the ________ trimester(s).

The gene that is NOT expressed in a heterozygous situation is called

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

The Reproductive System

Filters

The umbilical cord contains one umbilical _ and two umbilical _.