Question 1

Which of the following is not a type of RNA?

Accepted Answer

A)  Mitochondrial RNA 
B)  Ribosomal RNA 
C)  Transfer RNA 
D)  All of the above are types of RNA. 
A)  Mitochondrial RNA 
B)  Ribosomal RNA 
C)  Transfer RNA 
D)  All of the above are types of RNA.

Question 2

Explain how the regulation of enzyme production can regulate cell activity.

Accepted Answer

Enzymes are essential for carrying out v

Question 3

"A" is the dominant allele for normal skin color; "a" is recessive for albinism.If a couple were "AA" and "Aa," which of the following statements is not true?

Accepted Answer

A)  Both parents have the same phenotype. 
B)  Both parents have the same genotype. 
C)  They could not have a child with albinism. 
D)  All of the above are true statements. 
A)  Both parents have the same phenotype. 
B)  Both parents have the same genotype. 
C)  They could not have a child with albinism. 
D)  All of the above are true statements.

Question 4

Match each term with its corresponding definition or description.
-long arm of the chromosome

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 5

Which of the following is not a true statement?

Accepted Answer

A)  The gametes contain only 23 chromosomes. 
B)  A zygote has a haploid number of chromosomes. 
C)  The pair of sex chromosomes may not match. 
D)  The 22 pairs of autosomes always appear to be nearly identical to each other. 
A)  The gametes contain only 23 chromosomes. 
B)  A zygote has a haploid number of chromosomes. 
C)  The pair of sex chromosomes may not match. 
D)  The 22 pairs of autosomes always appear to be nearly identical to each other.

Question 6

Which is a simple cartoon of a chromosome used to show the overall physical structure of a chromosome?

Accepted Answer

A)  Genome 
B)  Transcriptome 
C)  Ideogram 
D)  Karyotype 
A)  Genome 
B)  Transcriptome 
C)  Ideogram 
D)  Karyotype

Question 7

Which of the following conditions does not occur as a result of nondisjunction?

Accepted Answer

A)  Tay-Sachs disease 
B)  Down syndrome 
C)  Turner syndrome 
D)  Klinefelter syndrome 
A)  Tay-Sachs disease 
B)  Down syndrome 
C)  Turner syndrome 
D)  Klinefelter syndrome

Question 8

The shorter segment of a chromosome is called the:

Accepted Answer

A)  centromere. 
B)  s-arm. 
C)  p-arm. 
D)  q-arm. 
A)  centromere. 
B)  s-arm. 
C)  p-arm. 
D)  q-arm.

Question 9

The sickle cell/malaria relationship demonstrates the concept in medical genetics that "disease" genes:

Accepted Answer

A)  are always codominant. 
B)  are never dominant. 
C)  often provide some biological advantage for a human population in certain circumstances. 
D)  never provide a biological advantage for human populations. 
A)  are always codominant. 
B)  are never dominant. 
C)  often provide some biological advantage for a human population in certain circumstances. 
D)  never provide a biological advantage for human populations.

Question 10

Crossing over is the process during which:

Accepted Answer

A)  similar gametes fuse together. 
B)  dissimilar gametes fuse together. 
C)  meiosis stops after meiosis I. 
D)  pairs of matching chromosomes line up along the equator of the cell and exchange genes with one another. 
A)  similar gametes fuse together. 
B)  dissimilar gametes fuse together. 
C)  meiosis stops after meiosis I. 
D)  pairs of matching chromosomes line up along the equator of the cell and exchange genes with one another.

Question 11

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

Accepted Answer

Codominance is a genetic phenomenon wher

Question 12

Match each of the terms with its corresponding definition.
-presence of only one autosome of a pair

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 13

Red-green color blindness shows X-linked recessive inheritance.Assume "X" is normal,"X1" is recessive for the trait,and "Y" is normal.Then,an individual with the genotype "XX1" will be a:

Accepted Answer

A)  normal female and a carrier. 
B)  color-blind male. 
C)  normal female and not a carrier. 
D)  normal male. 
A)  normal female and a carrier. 
B)  color-blind male. 
C)  normal female and not a carrier. 
D)  normal male.

Question 14

The condition called trisomy results from a(n):

Accepted Answer

A)  mistake in mitosis called nondisjunction. 
B)  mistake in meiosis called nondisjunction. 
C)  abnormality in a single gene. 
D)  genetic predisposition. 
A)  mistake in mitosis called nondisjunction. 
B)  mistake in meiosis called nondisjunction. 
C)  abnormality in a single gene. 
D)  genetic predisposition.

Question 15

Match each of the terms with its corresponding definition.
-pair of chromosomes in the human genome that determine sex

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 16

What is mitochondrial inheritance? Why does it only involve the mother and what type of diseases or deficiencies are caused by mitochondrial genes?

Accepted Answer

Mitochondrial inheritance refers to the

Question 17

Carriers of cystic fibrosis are thought to be protected from:

Accepted Answer

A)  malaria. 
B)  tuberculosis. 
C)  cholera. 
D)  the toxic effects of mold growing on grain. 
A)  malaria. 
B)  tuberculosis. 
C)  cholera. 
D)  the toxic effects of mold growing on grain.

Question 18

Which of the following statements is not true of mitochondrial DNA?

Accepted Answer

A)  The DNA is in the form of a circle. 
B)  The usual "stop" code in nuclear DNA codes for an amino acid in mitochondrial DNA. 
C)  The mitochondrial DNA in the zygote comes only from the mother. 
D)  All of the above statements are true of mitochondrial DNA. 
A)  The DNA is in the form of a circle. 
B)  The usual "stop" code in nuclear DNA codes for an amino acid in mitochondrial DNA. 
C)  The mitochondrial DNA in the zygote comes only from the mother. 
D)  All of the above statements are true of mitochondrial DNA.

Question 19

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 20

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

Exam 37: B: Genetics and Heredity

Which of the following is not a type of RNA?

Explain how the regulation of enzyme production can regulate cell activity.

"A" is the dominant allele for normal skin color; "a" is recessive for albinism.If a couple were "AA" and "Aa," which of the following statements is not true?

Match each term with its corresponding definition or description. -long arm of the chromosome

Which of the following is not a true statement?

Which is a simple cartoon of a chromosome used to show the overall physical structure of a chromosome?

Which of the following conditions does not occur as a result of nondisjunction?

The shorter segment of a chromosome is called the:

The sickle cell/malaria relationship demonstrates the concept in medical genetics that "disease" genes:

Crossing over is the process during which:

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

Match each of the terms with its corresponding definition. -presence of only one autosome of a pair

Red-green color blindness shows X-linked recessive inheritance.Assume "X" is normal,"X1" is recessive for the trait,and "Y" is normal.Then,an individual with the genotype "XX1" will be a:

The condition called trisomy results from a(n):

Match each of the terms with its corresponding definition. -pair of chromosomes in the human genome that determine sex

What is mitochondrial inheritance? Why does it only involve the mother and what type of diseases or deficiencies are caused by mitochondrial genes?

Carriers of cystic fibrosis are thought to be protected from:

Which of the following statements is not true of mitochondrial DNA?

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

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

A: Organization of the Body

B: Organization of the Body

A: The Chemical Basis of Life

B: The Chemical Basis of Life

A: Anatomy of Cells

B: Anatomy of Cells

Physiology of Cells

Cell Growth and Reproduction

Tissues

A: Skin and Its Appendages

B: Skin and Its Appendages

A: Skeletal Tissues

B: Skeletal Tissues

Skeletal System

A: Articulations

B: Articulations

A: Anatomy of the Muscular System

B: Anatomy of the Muscular System

A: Physiology of the Muscular System

B: Physiology of the Muscular System

A: Nervous System Cells

B: Nervous System Cells

A: Central Nervous System

B: Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

A: Sense Organs

B: Sense Organs

Endocrine System

Endocrine Glands

Blood

Anatomy of the Cardiovascular System

A: Physiology of the Cardiovascular System

B: Physiology of the Cardiovascular System

Lymphatic System

A: Immune System

B: Immune System

Stress

Anatomy of the Respiratory System

A: Physiology of the Respiratory System

B: Physiology of the Respiratory System

A: Anatomy of the Digestive System

B: Anatomy of the Digestive System

A: Physiology of the Digestive System

B: Physiology of the Digestive System

A: Nutrition and Metabolism

B: Nutrition and Metabolism

A: Urinary System

B: Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

A: Female Reproductive System

B: Female Reproductive System

A: Growth and Development

B: Growth and Development

A: Genetics and Heredity

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