Question 1

You would expect the p-arm of a chromosome to carry more genes than the q-arm of the chromosome.

Accepted Answer

A) True 
 B)False

Question 2

A female can inherit an X-linked recessive trait if her father:

Accepted Answer

A) is dominant and her mother is heterozygous for the trait. 
B) is dominant and her mother is homozygous for the trait. 
C) exhibits the trait and her mother is homozygous for the trait. 
D) Both A and B are correct. 
A) is dominant and her mother is heterozygous for the trait. 
B) is dominant and her mother is homozygous for the trait. 
C) exhibits the trait and her mother is homozygous for the trait. 
D) Both A and B are correct.

Question 3

When DNA is in its chromosomal form, it is non-functional.

Accepted Answer

A) True 
 B)False

Question 4

Most of the coding sections of DNA contain T-A-rich sections.

Accepted Answer

A) True 
 B)False

Question 5

The ultimate goal behind gene augmentation is to change existing body cells.

Accepted Answer

A) True 
 B)False

Question 6

A strand of DNA wound around a histone is called a nucleosome.

Accepted Answer

A) True 
 B)False

Question 7

Several human genes seem to have originated in bacteria.

Accepted Answer

A) True 
 B)False

Question 8

Chromatin and chromosomes are both forms of DNA.

Accepted Answer

A) True 
 B)False

Question 9

A Punnett square can be used to detect Down syndrome.

Accepted Answer

A) True 
 B)False

Question 10

The syndrome that results from the genotype "XXY" is:

Accepted Answer

A) Turner. 
B) Klinefelter. 
C) Down. 
D) Parkinson. 
A) Turner. 
B) Klinefelter. 
C) Down. 
D) Parkinson.

Question 11

A sperm containing a Y chromosome swims faster than a sperm containing an X chromosome.

Accepted Answer

A) True 
 B)False

Question 12

Diet soda containing NutraSweet should not be given to people with:

Accepted Answer

A) Tay-Sachs disease. 
B) phenylketonuria. 
C) osteogenesis imperfecta. 
D) Diet soda would have no effect on any of the above conditions. 
A) Tay-Sachs disease. 
B) phenylketonuria. 
C) osteogenesis imperfecta. 
D) Diet soda would have no effect on any of the above conditions.

Question 13

Gene linkage and crossing over have opposite effects on genetic variation.

Accepted Answer

A) True 
 B)False

Question 14

One hypothesis regarding cancer involves the presence of oncogenes that, under normal conditions, regulate cell division so that it proceeds normally.

Accepted Answer

A) True 
 B)False

Question 15

The human genome contains about 200,000 genes.

Accepted Answer

A) True 
 B)False

Question 16

The father determines the sex of the offspring.

Accepted Answer

A) True 
 B)False

Question 17

A person with sickle cell trait has some normal beta hemoglobin chains in his or her blood.

Accepted Answer

A) True 
 B)False

Question 18

Match each of the terms with its corresponding definition.
-Grid used in genetic counseling to determine probability of inheriting genetic traits

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 19

Gregor Mendel proved that "independent units" are responsible for the inheritance of biological traits.

Accepted Answer

A) True 
 B)False

Question 20

About 1% of the sperm and 10% of the oocytes have extra, missing, or broken chromosomes.

Accepted Answer

A) True 
 B)False

Exam 48: Genetics and Heredity

You would expect the p-arm of a chromosome to carry more genes than the q-arm of the chromosome.

A female can inherit an X-linked recessive trait if her father:

When DNA is in its chromosomal form, it is non-functional.

Most of the coding sections of DNA contain T-A-rich sections.

The ultimate goal behind gene augmentation is to change existing body cells.

A strand of DNA wound around a histone is called a nucleosome.

Several human genes seem to have originated in bacteria.

Chromatin and chromosomes are both forms of DNA.

A Punnett square can be used to detect Down syndrome.

The syndrome that results from the genotype "XXY" is:

A sperm containing a Y chromosome swims faster than a sperm containing an X chromosome.

Diet soda containing NutraSweet should not be given to people with:

Gene linkage and crossing over have opposite effects on genetic variation.

One hypothesis regarding cancer involves the presence of oncogenes that, under normal conditions, regulate cell division so that it proceeds normally.

The human genome contains about 200,000 genes.

The father determines the sex of the offspring.

A person with sickle cell trait has some normal beta hemoglobin chains in his or her blood.

Match each of the terms with its corresponding definition. -Grid used in genetic counseling to determine probability of inheriting genetic traits

Gregor Mendel proved that "independent units" are responsible for the inheritance of biological traits.

About 1% of the sperm and 10% of the oocytes have extra, missing, or broken chromosomes.

Organization of the Body

Homeostasis

Chemistry 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, Development, and Aging

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