Question 1

"mtDNA" represents DNA only from the mother's lineage because:

Accepted Answer

A)  Males do not contain mitochondria in their cells
B)  The mitochondria of sperm cells are destroyed once they enter egg cells
C)  Sperm cells usually do not donate mitochondria to eggs during fertilization
D)  The DNA of mitochondria from sperm cells is inactivated once inside the egg cell
E)  All are correctF) C) and D)
G) C) and E)

Question 2

Formation of a tetraploid plant from two different diploid parental species of plants is an example of ____.

Accepted Answer

A)  Punctuated equilibrium
B)  Gradualism
C)  Extinction
D)  Adaptive radiation
E)  A prezygotic barrier to evolutionF) C) and D)
G) A) and C)

Question 3

Which of the following is not a type of prezygotic reproductive isolation?

Accepted Answer

A)  Temporal isolation
B)  Gametic isolation
C)  Hybrid infertility
D)  Ecological isolation
E)  Mechanical isolationF) B) and D)
G) D) and E)

Question 4

Polyploidy is:

Accepted Answer

A)  Common in plant species
B)  Common in fungal species
C)  Common in animal species
D)  Common in bacterial species
E)  All are correctF) A) and B)
G) B) and C)

Question 5

A biological species is defined as a population whose members can interbreed.

Accepted Answer

A) True 
 B)False

Question 6

How did the researchers alter the colors of M.lewisii and M cardinalis?

Accepted Answer

A)  By looking for naturally occurring color variants of M. lewisii and M cardinalis in the wild
B)  By creating transgenic flowers with the desired color
C)  By deleting the YUP locus
D)  By duplicating the YUP locus
E)  By mating M. lewisii and M cardinalis and then crossing the hybrids to select for the desired colorF) A) and D)
G) A) and E)

Question 7

The scientist given credit for devising the binomial naming system is:

Accepted Answer

A)  Aristotle
B)  Charles Darwin
C)  Gregor Mendel
D)  Carrolus Linnaeus
E)  Louis PasteurF) A) and E)
G) C) and D)

Question 8

figure 13.20 
-Birds and mammals are both warm-blooded,and are:

Accepted Answer

A)  Monophyletic
B)  Polyphyletic
C)  Paraphyletic
D)  Common ancestors
E)  ParsimoniousF) B) and E)
G) D) and E)

Question 9

Tortoises colonizing the different Galápagos islands and evolving into different species is an example of ____ speciation.

Accepted Answer

A)  prezygotic
B)  allopatric
C)  postzygotic
D)  sympatric
E)  parapatricF) B) and C)
G) C) and D)

Question 10

A single common ancestor evolving into the current 28 species of silversword plants found on the Hawaiian islands is an example of ____.

Accepted Answer

A)  Gradualism
B)  Punctuated equilibrium
C)  Extinction
D)  A prezygotic barrier to evolution
E)  Adaptive radiationF) A) and D)
G) A) and C)

Exam 13: Speciation and Extinction

"mtDNA" represents DNA only from the mother's lineage because:

Correct Answer
verified

Polyploidy is:

Correct Answer
verified

Tortoises colonizing the different Galápagos islands and evolving into different species is an example of ____ speciation.

Correct Answer
verified

How did the researchers alter the colors of M.lewisii and M cardinalis?

Correct Answer
verified

A biological species is defined as a population whose members can interbreed.

Correct Answer
verified

figure 13.20 -Birds and mammals are both warm-blooded,and are:

Correct Answer
verified

The scientist given credit for devising the binomial naming system is:

Correct Answer
verified

Which of the following is not a type of prezygotic reproductive isolation?

Correct Answer
verified

A single common ancestor evolving into the current 28 species of silversword plants found on the Hawaiian islands is an example of ____.

Correct Answer
verified

Formation of a tetraploid plant from two different diploid parental species of plants is an example of ____.

Correct Answer
verified

Exam 13: Speciation and Extinction

"mtDNA" represents DNA only from the mother's lineage because:

Correct AnswerverifiedShow Answer

Polyploidy is:

Correct AnswerverifiedShow Answer

Tortoises colonizing the different Galápagos islands and evolving into different species is an example of ____ speciation.

Correct AnswerverifiedShow Answer

How did the researchers alter the colors of M.lewisii and M cardinalis?

Correct AnswerverifiedShow Answer

A biological species is defined as a population whose members can interbreed.

Correct AnswerverifiedShow Answer

figure 13.20 -Birds and mammals are both warm-blooded,and are:

Correct AnswerverifiedShow Answer

The scientist given credit for devising the binomial naming system is:

Correct AnswerverifiedShow Answer

Which of the following is not a type of prezygotic reproductive isolation?

Correct AnswerverifiedShow Answer

A single common ancestor evolving into the current 28 species of silversword plants found on the Hawaiian islands is an example of ____.

Correct AnswerverifiedShow Answer

Formation of a tetraploid plant from two different diploid parental species of plants is an example of ____.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified