Question 1

Match each condition with its corresponding statement or definition.
-Condition that causes blindness; characterized by lumps of melanin in the retina of eyes

Accepted Answer

A) Down syndrome 
B) Huntington disease 
C) Klinefelter syndrome deficiency 
D) Multiple neurofibromatosis 
E) Parkinson disease
F)Retinitis pigmentosa
G)Severe combined immune deficiency
H)Tay-Sachs disease 
A) Down syndrome 
B) Huntington disease 
C) Klinefelter syndrome deficiency 
D) Multiple neurofibromatosis 
E) Parkinson disease
F)Retinitis pigmentosa
G)Severe combined immune deficiency
H)Tay-Sachs disease

Question 2

Cystic fibrosis commonly occurs among all ethnic groups.

Accepted Answer

A) True 
 B)False

Question 3

Match each term with its corresponding definition or description.
-Entire group of proteins encoded by the DNA of a cell

Accepted Answer

A) Proteome 
B) Ideogram 
C) Genome 
D) Genomics 
E) P-arm
F)Proteomics
G)Q-arm 
A) Proteome 
B) Ideogram 
C) Genome 
D) Genomics 
E) P-arm
F)Proteomics
G)Q-arm

Question 4

The genotype XXY results in Turner syndrome.

Accepted Answer

A) True 
 B)False

Question 5

Red-green color blindness, which involves a deficiency of photopigments in the retina, is an example of a recessive X-linked condition.

Accepted Answer

A) True 
 B)False

Question 6

A person who is heterozygous for albinism will have the abnormal phenotype for the condition.

Accepted Answer

A) True 
 B)False

Question 7

All mutations are caused by some external force such as radiation or certain viruses.

Accepted Answer

A) True 
 B)False

Question 8

Genetic diseases may be caused by abnormality in a single gene or by a chromosomal defect.

Accepted Answer

A) True 
 B)False

Question 9

Mitochondrial DNA (mDNA):

Accepted Answer

A)  is inherited as a result of both the sperm and the ovum. 
B)  has the potential for carrying mutations that produce disease. 
C)  is present only in lower forms of life. 
D)  Both A and B are correct. 
A)  is inherited as a result of both the sperm and the ovum. 
B)  has the potential for carrying mutations that produce disease. 
C)  is present only in lower forms of life. 
D)  Both A and B are correct.

Question 10

Match each of the terms with its corresponding definition.
-Triplet of autosomes resulting from a mistake in meiosis

Accepted Answer

A) Recessive 
B) Codominance 
C) Monosomy 
D) Autosome 
E) Karyotype
F)Sex-linked trait
G)Dominant
H)Trisomy
I)Punnett square
J)Genome
K)Sex chromosome
L)Heterozygous
M)Homozygous
N)Genetics 
A) Recessive 
B) Codominance 
C) Monosomy 
D) Autosome 
E) Karyotype
F)Sex-linked trait
G)Dominant
H)Trisomy
I)Punnett square
J)Genome
K)Sex chromosome
L)Heterozygous
M)Homozygous
N)Genetics

Question 11

A genetic disease or condition that requires a specific environmental condition for expression is called a predisposition.

Accepted Answer

A) True 
 B)False

Question 12

Only about half of the human population has 23 pairs of chromosomes in their cells.

Accepted Answer

A) True 
 B)False

Question 13

The egg cytoplasm rather than the egg nucleus is responsible for transmission of mitochondrial DNA.

Accepted Answer

A) True 
 B)False

Question 14

Several human genes seem to have originated in bacteria.

Accepted Answer

A) True 
 B)False

Question 15

What is codominance? Give an example of this phenomenon in your explanation.

Accepted Answer

Codominance is a genetic phenomenon wher

Question 16

Because of our greater complexity, the human genome carries about eight times as many genes as the fruit fly does.

Accepted Answer

A) True 
 B)False

Question 17

All congenital disorders are inherited disorders.

Accepted Answer

A) True 
 B)False

Question 18

A man with type B blood and normal skin pigment married a woman with type A blood and normal skin pigment. They had a child with type O blood who was albino. Give the genotypes for blood type and skin pigment for each parent.

Accepted Answer

The answer of A man with type B blood and...

Question 19

Match each condition with its corresponding statement or definition.
-Lymphocytes fail to develop properly

Accepted Answer

A) Down syndrome 
B) Huntington disease 
C) Klinefelter syndrome deficiency 
D) Multiple neurofibromatosis 
E) Parkinson disease
F)Retinitis pigmentosa
G)Severe combined immune deficiency
H)Tay-Sachs disease 
A) Down syndrome 
B) Huntington disease 
C) Klinefelter syndrome deficiency 
D) Multiple neurofibromatosis 
E) Parkinson disease
F)Retinitis pigmentosa
G)Severe combined immune deficiency
H)Tay-Sachs disease

Question 20

If a pedigree tracing the albinism trait showed a square that was filled in, it would indicate a:

Accepted Answer

A)  female had albinism. 
B)  male had albinism. 
C)  female had normal skin color. 
D)  male was a carrier for albinism. 
A)  female had albinism. 
B)  male had albinism. 
C)  female had normal skin color. 
D)  male was a carrier for albinism.

Exam 48: Genetics and Heredity

Match each condition with its corresponding statement or definition. -Condition that causes blindness; characterized by lumps of melanin in the retina of eyes

Cystic fibrosis commonly occurs among all ethnic groups.

Match each term with its corresponding definition or description. -Entire group of proteins encoded by the DNA of a cell

The genotype XXY results in Turner syndrome.

Red-green color blindness, which involves a deficiency of photopigments in the retina, is an example of a recessive X-linked condition.

A person who is heterozygous for albinism will have the abnormal phenotype for the condition.

All mutations are caused by some external force such as radiation or certain viruses.

Genetic diseases may be caused by abnormality in a single gene or by a chromosomal defect.

Mitochondrial DNA (mDNA):

Match each of the terms with its corresponding definition. -Triplet of autosomes resulting from a mistake in meiosis

A genetic disease or condition that requires a specific environmental condition for expression is called a predisposition.

Only about half of the human population has 23 pairs of chromosomes in their cells.

The egg cytoplasm rather than the egg nucleus is responsible for transmission of mitochondrial DNA.

Several human genes seem to have originated in bacteria.

What is codominance? Give an example of this phenomenon in your explanation.

Because of our greater complexity, the human genome carries about eight times as many genes as the fruit fly does.

All congenital disorders are inherited disorders.

A man with type B blood and normal skin pigment married a woman with type A blood and normal skin pigment. They had a child with type O blood who was albino. Give the genotypes for blood type and skin pigment for each parent.

Match each condition with its corresponding statement or definition. -Lymphocytes fail to develop properly

If a pedigree tracing the albinism trait showed a square that was filled in, it would indicate a:

Organization of the Body

Homeostasis

Chemical Basis of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Heart

Blood Vessels

Circulation of the Blood

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange & Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid Base Balance

Male Reproductive System

Female Reproductive System

Growth and Development

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