Question 1

Deoxyribonucleic acid (DNA)  differs from ribonucleic acid (RNA)  in that

Accepted Answer

A)  it was studied during Darwin's lifetime.
B)  it is the "recipe" for all biological characteristics and functions.
C)  it was discovered by Mendel.
D)  it is stored in ribosomes.E) A) and B)
F) A) and C)

Question 2

Microsatellites are

Accepted Answer

A)  small satellite transmitters used in genetic research.
B)  useful for determining group but not individual identification.
C)  highly individualized repetitive stretches of nuclear DNA.
D)  known from Watson and Crick's 1950s research.E) A) and B)
F) B) and D)

Question 3

DNA

Accepted Answer

A)  is single stranded.
B)  contains six different nucleotide bases.
C)  is the template for every aspect of an organism.
D)  contains the base uracil.E) B) and C)
F) C) and D) C

Question 4

In order for traits to respond to natural selection

Accepted Answer

A)  they must be acquired prior to gamete production.
B)  they must be heritable.
C)  they must be found in the mitochondrial DNA.
D)  they must be found in cells.E) A) and B)
F) A) and C) B

Question 5

DNA replication produces

Accepted Answer

A)  four identical daughter cells.
B)  two identical daughter cells.
C)  two single strands of DNA.
D)  none of the above.E) A) and D)
F) B) and D)

Question 6

In his work on pea plants, Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding

Accepted Answer

A)  applies to genes on the same chromosome.
B)  applies to the law of independent assortment.
C)  explains gene linkage.
D)  explains inheritance in simple organisms.E) All of the above
F) B) and C)

Question 7

The following are complementary bases in DNA

Accepted Answer

A)  adenine and thymine.
B)  adenine and cytosine.
C)  guanine and thymine.
D)  guanine and uracil.E) B) and D)
F) None of the above

Question 8

An individual that is homozygous at the locus that determines ABO blood type may have any of the following except

Accepted Answer

A)  type AB blood.
B)  type O blood.
C)  type A blood.
D)  type B blood.E) All of the above
F) A) and B)

Question 9

________ are organisms lacking any internal compartments.

Accepted Answer

A)  Fungi
B)  Plants
C)  Prokaryotes
D)  EukaryotesE) A) and B)
F) None of the above

Question 10

Most human nuclear DNA is coded to produce ________ .

Accepted Answer

A)  amino acids
B)  proteins
C)  RNA
D)  mutationsE) B) and D)
F) B) and C)

Question 11

The presence of a recessive allele

Accepted Answer

A)  can always be determined from the phenotype.
B)  is usually masked in the phenotype.
C)  is expressed in the phenotype alongside a dominant allele.
D)  none of the above.E) B) and C)
F) A) and B)

Question 12

Proteins consist of

Accepted Answer

A)  genes.
B)  RNA plus mRNA.
C)  chains of DNA nucleotides.
D)  chains of amino acids.E) A) and B)
F) All of the above

Question 13

What is the evolutionary significance of meiosis?

Accepted Answer

Adaptation by natural selection depends ...

Question 14

Define polygenic and pleiotropic traits and explain their significance for researchers' efforts to link human genotypes to phenotypes.

Accepted Answer

The relationship between most genes and ...

Question 15

Chromosome number is reduced during

Accepted Answer

A)  mitosis.
B)  recombination.
C)  translation.
D)  meiosis.E) All of the above
F) B) and C) D

Question 16

Mitochondrial DNA is

Accepted Answer

A)  contained within the cell's nucleus.
B)  passed from father to son.
C)  passed from mother to offspring.
D)  found only in bacteria.E) None of the above
F) All of the above

Question 17

Discuss homeotic or Hox genes.What purpose do they serve in the genome?

Accepted Answer

As discussed in the text, Hox genes dete...

Question 18

Nucleotide bases in nuclear DNA include all of the following except

Accepted Answer

A)  thymine.
B)  adenine.
C)  uracil.
D)  cytosine.E) B) and C)
F) All of the above

Question 19

Somatic cells are characterized by all of the following except

Accepted Answer

A)  each includes a nucleus.
B)  they are used in multiple tissues throughout the body.
C)  each contains half a copy of an organism's DNA.
D)  each contains a complete copy of all of an organism's DNA.E) A) and D)
F) A) and B)

Question 20

DNA is important for protein synthesis because

Accepted Answer

A)  it is biological code for the production of hormones and enzymes.
B)  it serves as a template for protein production.
C)  it provides the code to produce structural proteins.
D)  all of the above.E) None of the above
F) All of the above

Exam 3: Genetics: Reproducing Life and Producing Variation

Deoxyribonucleic acid (DNA) differs from ribonucleic acid (RNA) in that

Correct AnswerverifiedShow Answer

Microsatellites are

Correct AnswerverifiedShow Answer

DNA

Correct AnswerverifiedC

In order for traits to respond to natural selection

Correct AnswerverifiedB

DNA replication produces

Correct AnswerverifiedShow Answer

In his work on pea plants, Mendel found that plant height was inherited independently of the type or color of the seed coat.This finding

Correct AnswerverifiedShow Answer

The following are complementary bases in DNA

Correct AnswerverifiedShow Answer

An individual that is homozygous at the locus that determines ABO blood type may have any of the following except

Correct AnswerverifiedShow Answer

________ are organisms lacking any internal compartments.

Correct AnswerverifiedShow Answer

Most human nuclear DNA is coded to produce ________ .

Correct AnswerverifiedShow Answer

The presence of a recessive allele

Correct AnswerverifiedShow Answer

Proteins consist of

Correct AnswerverifiedShow Answer

What is the evolutionary significance of meiosis?

Correct AnswerverifiedAdaptation by natural selection depends ...View AnswerShow Answer

Define polygenic and pleiotropic traits and explain their significance for researchers' efforts to link human genotypes to phenotypes.

Correct AnswerverifiedThe relationship between most genes and ...View AnswerShow Answer

Chromosome number is reduced during

Correct AnswerverifiedD

Mitochondrial DNA is

Correct AnswerverifiedShow Answer

Discuss homeotic or Hox genes.What purpose do they serve in the genome?

Correct AnswerverifiedAs discussed in the text, Hox genes dete...View AnswerShow Answer

Nucleotide bases in nuclear DNA include all of the following except

Correct AnswerverifiedShow Answer

Somatic cells are characterized by all of the following except

Correct AnswerverifiedShow Answer

DNA is important for protein synthesis because

Correct AnswerverifiedShow Answer

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C

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Adaptation by natural selection depends ...
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The relationship between most genes and ...
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D

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As discussed in the text, Hox genes dete...
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