Question 1

Gel electrophoresis separates DNA segments on the basis of their

Accepted Answer

A)  weight. 
B)  length. 
C)  types of nucleotides. 
D)  complexity. 
A)  weight. 
B)  length. 
C)  types of nucleotides. 
D)  complexity. B

Question 2

Human bone size and structure are a result of the environment and

Accepted Answer

A)  polygenic inheritance. 
B)  codominance. 
C)  simple dominance. 
D)  sex-linked recessive inheritance. 
A)  polygenic inheritance. 
B)  codominance. 
C)  simple dominance. 
D)  sex-linked recessive inheritance. A

Question 3

A patient with which blood type can receive blood from any donor?

Accepted Answer

A)  type A 
B)  type B 
C)  type AB 
D)  type O 
A)  type A 
B)  type B 
C)  type AB 
D)  type O C

Question 4

What is one reason why the polymerase chain reaction (PCR)is so useful for DNA fingerprinting?

Accepted Answer

A)  It can produce millions of copies from tiny amounts of DNA. 
B)  It can be used to compare DNA from different individuals. 
C)  It can identify the complete sequence of a gene. 
D)  It can allow scientists to visualize the DNA of specific individuals. 
A)  It can produce millions of copies from tiny amounts of DNA. 
B)  It can be used to compare DNA from different individuals. 
C)  It can identify the complete sequence of a gene. 
D)  It can allow scientists to visualize the DNA of specific individuals.

Question 5

A child with the genotype IAi has type ________ blood.

Accepted Answer

A)  A 
B)  B 
C)  AB 
D)  O 
A)  A 
B)  B 
C)  AB 
D)  O

Question 6

In addition to excessive bleeding, persons with hemophilia may have excessive bruising, pain and swelling in the joints, vision loss, anemia, or neurological problems. This is a result of the effects of a single gene loss and is called

Accepted Answer

A)  codominance. 
B)  multiple allelism. 
C)  pleiotropy. 
D)  environmental effects. 
A)  codominance. 
B)  multiple allelism. 
C)  pleiotropy. 
D)  environmental effects.

Question 7

VNTR stands for

Accepted Answer

A)  variable number tandem repeats. 
B)  varied nucleotides to repeat. 
C)  volumes of nucleotide tandem repeats. 
D)  variation of nucleotide terminal repeats. 
A)  variable number tandem repeats. 
B)  varied nucleotides to repeat. 
C)  volumes of nucleotide tandem repeats. 
D)  variation of nucleotide terminal repeats.

Question 8

If a blue-colored flower crossed with a white-colored flower produced light blue-colored flower offspring, then it's most likely a case of

Accepted Answer

A)  incomplete dominance. 
B)  codominance. 
C)  independent assortment. 
D)  sex linkage. 
A)  incomplete dominance. 
B)  codominance. 
C)  independent assortment. 
D)  sex linkage.

Question 9

Y-linked genes include a gene that produces hairy ears. A male with hairy ears should pass this trait

Accepted Answer

A)  only to his sons. 
B)  only to his daughters. 
C)  only to his grandsons. 
D)  to all his children if the mother is a carrier. 
A)  only to his sons. 
B)  only to his daughters. 
C)  only to his grandsons. 
D)  to all his children if the mother is a carrier.

Question 10

Sex-linked traits can be expressed in

Accepted Answer

A)  males only. 
B)  females only. 
C)  either males or females. 
D)  carriers only. 
A)  males only. 
B)  females only. 
C)  either males or females. 
D)  carriers only.

Question 11

Hemophilia is an X-linked recessive allele causing a blood disorder. What are the chances that a daughter of a normal man and a woman, who is heterozygous for the disease, will have hemophilia?

Accepted Answer

A)  0% 
B)  25% 
C)  75% 
D)  100% 
A)  0% 
B)  25% 
C)  75% 
D)  100%

Question 12

A woman with type A blood and a man with type B blood have a baby with type O blood. What are the genotypes of the woman and the man?

Accepted Answer

A)  IAi and IBi 
B)  IAIA and IBi 
C)  IAi and IBIB 
D)  IAIA and IBIB 
A)  IAi and IBi 
B)  IAIA and IBi 
C)  IAi and IBIB 
D)  IAIA and IBIB

Question 13

Phenotypic features that are coded for by several genes, such as eye color in humans, are called

Accepted Answer

A)  linked. 
B)  polytrophic. 
C)  polygenic. 
D)  codominant. 
A)  linked. 
B)  polytrophic. 
C)  polygenic. 
D)  codominant.

Question 14

A child with type O blood could not have a parent with type ________ blood.

Accepted Answer

A)  A 
B)  B 
C)  AB 
D)  O 
A)  A 
B)  B 
C)  AB 
D)  O

Question 15

What does each different band on a DNA fingerprint represent?

Accepted Answer

A)  gene 
B)  VNTR site 
C)  allele 
D)  pleiotropy 
A)  gene 
B)  VNTR site 
C)  allele 
D)  pleiotropy

Question 16

The allele for orange fur in cats is Xb, while the allele for black fur is XB. You adopt a tortoiseshell kitten (with orange and black fur). When you take the kitten to the vet, you find out that it is a male. What is the genotype of this kitten?

Accepted Answer

A)  XBY 
B)  XBXb 
C)  XbY. 
D)  XBXbY. 
A)  XBY 
B)  XBXb 
C)  XbY. 
D)  XBXbY.

Question 17

Which statement about the inheritance of blood types in humans is correct?

Accepted Answer

A)  Alleles IA and i are dominant to the allele IB. 
B)  Alleles IB and i are dominant to the allele IA 
C)  Alleles IA and IB are dominant to the allele i. 
D)  Alleles IA,IB and i are codominant. 
A)  Alleles IA and i are dominant to the allele IB. 
B)  Alleles IB and i are dominant to the allele IA 
C)  Alleles IA and IB are dominant to the allele i. 
D)  Alleles IA,IB and i are codominant.

Question 18

In humans, the sex of the offspring is ordinarily determined by the

Accepted Answer

A)  autosomes carried by the egg cell. 
B)  autosomes carried by the sperm cell. 
C)  sex chromosome carried by the egg cell. 
D)  sex chromosome carried by the sperm cell. 
A)  autosomes carried by the egg cell. 
B)  autosomes carried by the sperm cell. 
C)  sex chromosome carried by the egg cell. 
D)  sex chromosome carried by the sperm cell.

Question 19

When does codominance occur?

Accepted Answer

A)  both of the alleles in a heterozygote are expressed phenotypically in an individual 
B)  expression of two different alleles alternates from one generation to the next 
C)  a heterozygote expresses an intermediate phenotype 
D)  offspring exhibit several different phenotypic expressions of a single trait 
A)  both of the alleles in a heterozygote are expressed phenotypically in an individual 
B)  expression of two different alleles alternates from one generation to the next 
C)  a heterozygote expresses an intermediate phenotype 
D)  offspring exhibit several different phenotypic expressions of a single trait

Question 20

A patient with which blood type can donate blood to anyone?

Accepted Answer

A)  type A 
B)  type B 
C)  type AB 
D)  type O 
A)  type A 
B)  type B 
C)  type AB 
D)  type O

Exam 8: DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Gel electrophoresis separates DNA segments on the basis of their

Human bone size and structure are a result of the environment and

A patient with which blood type can receive blood from any donor?

What is one reason why the polymerase chain reaction (PCR)is so useful for DNA fingerprinting?

A child with the genotype IAi has type ________ blood.

In addition to excessive bleeding, persons with hemophilia may have excessive bruising, pain and swelling in the joints, vision loss, anemia, or neurological problems. This is a result of the effects of a single gene loss and is called

VNTR stands for

If a blue-colored flower crossed with a white-colored flower produced light blue-colored flower offspring, then it's most likely a case of

Y-linked genes include a gene that produces hairy ears. A male with hairy ears should pass this trait

Sex-linked traits can be expressed in

Hemophilia is an X-linked recessive allele causing a blood disorder. What are the chances that a daughter of a normal man and a woman, who is heterozygous for the disease, will have hemophilia?

A woman with type A blood and a man with type B blood have a baby with type O blood. What are the genotypes of the woman and the man?

Phenotypic features that are coded for by several genes, such as eye color in humans, are called

A child with type O blood could not have a parent with type ________ blood.

What does each different band on a DNA fingerprint represent?

The allele for orange fur in cats is Xb, while the allele for black fur is XB. You adopt a tortoiseshell kitten (with orange and black fur). When you take the kitten to the vet, you find out that it is a male. What is the genotype of this kitten?

Which statement about the inheritance of blood types in humans is correct?

In humans, the sex of the offspring is ordinarily determined by the

When does codominance occur?

A patient with which blood type can donate blood to anyone?

Can Science Cure the Common Cold? Introduction to the Scientific Method

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Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

Filters

A child with the genotype I^Aihas type ________ blood.

The allele for orange fur in cats is X^b, while the allele for black fur is X^B. You adopt a tortoiseshell kitten (with orange and black fur). When you take the kitten to the vet, you find out that it is a male. What is the genotype of this kitten?