Question 1

Which of the following best defines polymerase chain reaction?

Accepted Answer

A)   the process of replicating or amplifying small segments of DNA
B)   studying immune system proteins to learn the relationship between species
C)   the process of mapping an organism's entire DNA sequence
D)   studying chromosome structureE) None of the above
F) B) and C)

Question 2

A geneticist constructing tree-like diagrams that visually indicate relationships between species is engaged in __________.

Accepted Answer

A)   behavioral genetics
B)   molecular genetics
C)   phylogenetics
D)   population geneticsE) C) and D)
F) B) and C)

Question 3

Population geneticists only study traits at the molecular level.

Accepted Answer

A) True 
 B)False

Question 4

The basic unit of DNA is a molecule called a __________.

Accepted Answer

A)   nucleotide
B)   base
C)   thymine
D)   prokaryotic cellE) All of the above
F) A) and D)

Question 5

DNA has to be able to do three things. What are they?

Accepted Answer

A)   replicate, create ATP, and synthesize proteins
B)   coordinate the activity of proteins, make the cell's energy, and self-replicate
C)   replicate, make proteins, and coordinate the activity of proteins
D)   none of theseE) All of the above
F) B) and C)

Question 6

Studying genetics via phenotype is inferior because __________.

Accepted Answer

A)   environment plays a strong role in governing phenotype
B)   there is no relationship between phenotype and genes
C)   genes do not actually affect phenotypes all that much
D)   none of theseE) All of the above
F) None of the above

Question 7

DNA is replicated during which phase of the cell cycle?

Accepted Answer

A)   prophase
B)   anaphase
C)   telophase
D)   interphaseE) A) and D)
F) B) and D)

Question 8

The two classes of bases include the __________.

Accepted Answer

A)   cytosines
B)   thymines
C)   purines
D)   adeninesE) A) and B)
F) B) and D)

Question 9

Describe two chromosomal abnormalities, one due to monosomy and one due to trisomy.

Accepted Answer

Monosomy is a chromosomal abnormality wh...

Question 10

Which of the following is the most controversial field?

Accepted Answer

A)   behavioral genetics
B)   molecular genetics
C)   phylogenetics
D)   population geneticsE) C) and D)
F) A) and D)

Question 11

Organelles are common to __________.

Accepted Answer

A)   prokaryotes
B)   eukaryotesC) A) and B)
D) undefined

Question 12

Which of the following is the perfect metaphor for genes and how they behave?

Accepted Answer

A)   homunculus
B)   recipe
C)   information storage
D)   none of theseE) C) and D)
F) A) and C)

Question 13

Explain the various types of genetics outlined in your text.

Accepted Answer

In genetics, there are several different...

Question 14

Somatic cells __________.

Accepted Answer

A)   are the sex cells
B)   have the same function as gametes
C)   are the cells of the body that are not gametes
D)   only exist in prokaryotic organismsE) B) and C)
F) None of the above

Question 15

The term "gene" was coined after DNA was observed.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following structures is smallest?

Accepted Answer

A)   gene
B)   codon
C)   organelle
D)   cellE) B) and D)
F) B) and C)

Question 17

Every cell in an individual's body has the same number of chromosomes.

Accepted Answer

A) True 
 B)False

Question 18

The ancient DNA studied is usually mtDNA because mtDNA __________.

Accepted Answer

A)   is more durable
B)   varies so little from generation to generation
C)   is so abundant
D)   is much bigger than nuclear DNAE) B) and C)
F) C) and D)

Question 19

Which of the following is true of prokaryotes?

Accepted Answer

A)   they are single-celled organisms
B)   they lack intercellular compartments
C)   they include bacteria
D)   all of theseE) None of the above
F) A) and C)

Question 20

Which of the following is NOT true of mitochondrial DNA?

Accepted Answer

A)   it contains much 'unused' genetic material
B)   it varies little from generation to generation
C)   it is inherited clonally from generation to generation
D)   it gets all its variation from a crossing-over phase during meiosisE) A) and D)
F) All of the above

Exam 2: Genetics: Cells and Molecules

Every cell in an individual's body has the same number of chromosomes.

Correct AnswerverifiedShow Answer

Which of the following is the perfect metaphor for genes and how they behave?

Correct AnswerverifiedShow Answer

Explain the various types of genetics outlined in your text.

Correct AnswerAnswered by ExamLex AIIn genetics, there are several different...View AnswerShow Answer

The ancient DNA studied is usually mtDNA because mtDNA __________.

Correct AnswerverifiedShow Answer

Which of the following best defines polymerase chain reaction?

Correct AnswerverifiedShow Answer

The term "gene" was coined after DNA was observed.

Correct AnswerverifiedShow Answer

Which of the following structures is smallest?

Correct AnswerverifiedShow Answer

A geneticist constructing tree-like diagrams that visually indicate relationships between species is engaged in __________.

Correct AnswerverifiedShow Answer

Which of the following is NOT true of mitochondrial DNA?

Correct AnswerverifiedShow Answer

Population geneticists only study traits at the molecular level.

Correct AnswerverifiedShow Answer

The basic unit of DNA is a molecule called a __________.

Correct AnswerverifiedShow Answer

Which of the following is the most controversial field?

Correct AnswerverifiedShow Answer

Somatic cells __________.

Correct AnswerverifiedShow Answer

DNA is replicated during which phase of the cell cycle?

Correct AnswerverifiedShow Answer

Organelles are common to __________.

Correct AnswerverifiedShow Answer

DNA has to be able to do three things. What are they?

Correct AnswerverifiedShow Answer

The two classes of bases include the __________.

Correct AnswerverifiedShow Answer

Studying genetics via phenotype is inferior because __________.

Correct AnswerverifiedShow Answer

Which of the following is true of prokaryotes?

Correct AnswerverifiedShow Answer

Describe two chromosomal abnormalities, one due to monosomy and one due to trisomy.

Correct AnswerAnswered by ExamLex AIMonosomy is a chromosomal abnormality wh...View AnswerShow Answer

Correct Answer
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In genetics, there are several different...
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Monosomy is a chromosomal abnormality wh...
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