Question 1

Which of the following would occur if there was no chiasma formation in prophase I?

Accepted Answer

A)  Mosaic chromosomes would form.
B)  In a heterozygote,there would only be a 1:1:1:1 formation after meiosis II,never a 2:2.
C)  All gametes would have the same genotype.
D)  In a heterozygote,there would only be a 2:2 formation after meiosis II,never a 1:1:1:1.
E)  All gametes would have the same phenotype.F) A) and C)
G) A) and E) D

Question 2

Electron microscopy of metaphase chromosomes demonstrated various degrees of coiling.What was the name of the model that depicted this process?

Accepted Answer

A)  chromatid folding
B)  folded- fiber
C)  condensation
D)  double- stranded
E)  packingF) B) and C)
G) C) and E) B

Question 3

Drosophila melanogaster,the fruit fly,has a 2n chromosome number of 8.Assuming that a somatic G2 nucleus from one of the individuals in this scenario contains about 8.0 picograms of DNA,how much nuclear DNA would you expect in a fly egg?

Accepted Answer

A)  16 pg
B)  4 pg
C)  8 pg
D)  2 pg
E)  1 pgF) All of the above
G) None of the above

Question 4

What significant genetic function occurs in the S phase of the cell cycle?

Accepted Answer

A)  DNA synthesis
B)  karyokinesis
C)  centromere division
D)  cytokinesis
E)  chromosome condensationF) A) and E)
G) A) and C) A

Question 5

The horse Equus caballus) has 32 pairs of chromosomes,whereas the donkey Equus asinus has 31 pairs of chromosomes.How many chromosomes would be expected in the somatic tissue of a mule,which is a hybrid of these two animals?

Accepted Answer

A)  62
B)  64
C)  60
D)  63
E)  126F) A) and C)
G) A) and B)

Question 6

In plants,which stage is haploid?

Accepted Answer

A)  germ cell
B)  spermatozoa
C)  sporophyte
D)  gametophyte
E)  polar bodyF) A) and B)
G) A) and C)

Question 7

If a typical somatic cell has 64 chromosomes,how many chromosomes are expected in each gamete of that organism?

Accepted Answer

A)  16
B)  8
C)  128
D)  32
E)  64F) A) and B)
G) A) and E)

Question 8

Given that each G1 nucleus from this organism contains 16 picograms of DNA,how many picograms of chromosomal DNA would you expect in the cell shown below?

Accepted Answer

A)  2
B)  16
C)  4
D)  32
E)  8F) B) and C)
G) A) and C)

Question 9

The house fly,Musca domestica,has a haploid chromosome number of 6.How many chromatids should be present in a diploid,somatic,metaphase cell?

Accepted Answer

A)  24
B)  3
C)  6
D)  12
E)  18F) C) and D)
G) B) and C)

Question 10

In an organism with 60 chromosomes,how many bivalents would be expected to form during meiosis?

Accepted Answer

A)  30
B)  15
C)  60
D)  120
E)  240F) B) and D)
G) B) and C)

Question 11

When cells withdraw from the continuous cell cycle and enter a "quiescent" phase,they are said to be in what stage?

Accepted Answer

A)  G1
B)  G2
C)  M
D)  S
E)  G0F) A) and D)
G) C) and D)

Question 12

In which stage of the cell cycle is G0 located?

Accepted Answer

A)  G1
B)  S
C)  M
D)  anaphase
E)  G2F) A) and E)
G) B) and D)

Question 13

The diploid chromosome number of an organism is usually represented as 2n.Humans have a diploid chromosome number of 46.What would be the expected haploid chromosome number in a human?

Accepted Answer

A)  92
B)  16
C)  23
D)  12
E)  24F) A) and B)
G) All of the above

Question 14

Which part of interphase does DNA duplication take place?

Accepted Answer

A)  G0
B)  M
C)  G2
D)  S
E)  G1F) C) and E)
G) C) and D)

Question 15

The ant,Myrmecia pilosula,is found in Australia and is named bulldog because of its aggressive behavior.It is particularly interesting because it carries all its genetic information in a single pair of chromosomes.In other words,2n = 2.Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female?

Accepted Answer

A)   Myrmecia pilosula,is found in Australia and is named bulldog because of its aggressive behavior.It is particularly interesting because it carries all its genetic information in a single pair of chromosomes.In other words,2n = 2.Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female? 
A)     
B)     
C)     
D)     
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B)   Myrmecia pilosula,is found in Australia and is named bulldog because of its aggressive behavior.It is particularly interesting because it carries all its genetic information in a single pair of chromosomes.In other words,2n = 2.Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female? 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >
C)   Myrmecia pilosula,is found in Australia and is named bulldog because of its aggressive behavior.It is particularly interesting because it carries all its genetic information in a single pair of chromosomes.In other words,2n = 2.Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female? 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >
D)   Myrmecia pilosula,is found in Australia and is named bulldog because of its aggressive behavior.It is particularly interesting because it carries all its genetic information in a single pair of chromosomes.In other words,2n = 2.Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female? 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >
E)   Myrmecia pilosula,is found in Australia and is named bulldog because of its aggressive behavior.It is particularly interesting because it carries all its genetic information in a single pair of chromosomes.In other words,2n = 2.Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female? 
A)     
B)     
C)     
D)     
E)     " class="answers-bank-image d-inline" rel="preload" >F) A) and B)
G) C) and E)

Question 16

A G1 somatic cell nucleus in a female diploid Myrmecia pilosula bulldog ant) contains 2 picograms of DNA.How much DNA would be expected in a metaphase I cell of a female?

Accepted Answer

A)  4 picograms
B)  32 picograms
C)  8 picograms
D)  16 picograms
E)  Not enough information is provided to answer the question.F) C) and D)
G) B) and E)

Question 17

A typical G1 nucleus is 2n and contains 2C two complements) of DNA.Which of the following is true?

Accepted Answer

A)  A cell in prophase is 2n and contains 4C of DNA.
B)  A cell in G2 is 4n and contains 2C of DNA.
C)  A cell in prophase is 2n and contains 2n of DNA.
D)  A cell in metaphase is 2n and contains 2C of DNA.
E)  A prophase cell is 4n and contains 4C of DNA.F) A) and B)
G) C) and E)

Question 18

After meiosis II,________would be formed.

Accepted Answer

A)  dyads
B)  synapsis
C)  chiasma
D)  tetrads
E)  monadsF) All of the above
G) B) and C)

Question 19

Which chromosome has a telomere but the p arm is much shorter than the q arm?

Accepted Answer

A)  submetacentric
B)  telocentric
C)  metacentric
D)  acrocentric
E)  sex chromosomeF) A) and C)
G) C) and D)

Question 20

Which if the following is true?

Accepted Answer

A)  Cells are 4n after S phase.
B)  Cells are considered to be 2n after meiosis I.
C)  A chromosome may contain one or two chromatids in different phases of the mitotic or meiotic cell cycle.
D)  Sister chromatids in mitosis are not identical.
E)  A chromosome always contains the same number of chromatids,regardless of phase of the mitotic or meiotic cell cycle.F) B) and D)
G) All of the above

Exam 2: Mitosis and Meiosis

Which of the following would occur if there was no chiasma formation in prophase I?

Correct Answer
verified
D

Electron microscopy of metaphase chromosomes demonstrated various degrees of coiling.What was the name of the model that depicted this process?

Correct Answer
verified
B

Drosophila melanogaster,the fruit fly,has a 2n chromosome number of 8.Assuming that a somatic G2 nucleus from one of the individuals in this scenario contains about 8.0 picograms of DNA,how much nuclear DNA would you expect in a fly egg?

Correct Answer
verified

What significant genetic function occurs in the S phase of the cell cycle?

Correct Answer
verified
A

The horse Equus caballus) has 32 pairs of chromosomes,whereas the donkey Equus asinus has 31 pairs of chromosomes.How many chromosomes would be expected in the somatic tissue of a mule,which is a hybrid of these two animals?

Correct Answer
verified

In plants,which stage is haploid?

Correct Answer
verified

If a typical somatic cell has 64 chromosomes,how many chromosomes are expected in each gamete of that organism?

Correct Answer
verified

Given that each G1 nucleus from this organism contains 16 picograms of DNA,how many picograms of chromosomal DNA would you expect in the cell shown below?

Correct Answer
verified

The house fly,Musca domestica,has a haploid chromosome number of 6.How many chromatids should be present in a diploid,somatic,metaphase cell?

Correct Answer
verified

In an organism with 60 chromosomes,how many bivalents would be expected to form during meiosis?

Correct Answer
verified

When cells withdraw from the continuous cell cycle and enter a "quiescent" phase,they are said to be in what stage?

Correct Answer
verified

In which stage of the cell cycle is G0 located?

Correct Answer
verified

The diploid chromosome number of an organism is usually represented as 2n.Humans have a diploid chromosome number of 46.What would be the expected haploid chromosome number in a human?

Correct Answer
verified

Which part of interphase does DNA duplication take place?

Correct Answer
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Correct Answer
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A G1 somatic cell nucleus in a female diploid Myrmecia pilosula bulldog ant) contains 2 picograms of DNA.How much DNA would be expected in a metaphase I cell of a female?

Correct Answer
verified

A typical G1 nucleus is 2n and contains 2C two complements) of DNA.Which of the following is true?

Correct Answer
verified

After meiosis II,________would be formed.

Correct Answer
verified

Which chromosome has a telomere but the p arm is much shorter than the q arm?

Correct Answer
verified

Which if the following is true?

Correct Answer
verified

Exam 2: Mitosis and Meiosis

Which of the following would occur if there was no chiasma formation in prophase I?

Correct AnswerverifiedD

Electron microscopy of metaphase chromosomes demonstrated various degrees of coiling.What was the name of the model that depicted this process?

Correct AnswerverifiedB

Drosophila melanogaster,the fruit fly,has a 2n chromosome number of 8.Assuming that a somatic G2 nucleus from one of the individuals in this scenario contains about 8.0 picograms of DNA,how much nuclear DNA would you expect in a fly egg?

Correct AnswerverifiedShow Answer

What significant genetic function occurs in the S phase of the cell cycle?

Correct AnswerverifiedA

The horse Equus caballus) has 32 pairs of chromosomes,whereas the donkey Equus asinus has 31 pairs of chromosomes.How many chromosomes would be expected in the somatic tissue of a mule,which is a hybrid of these two animals?

Correct AnswerverifiedShow Answer

In plants,which stage is haploid?

Correct AnswerverifiedShow Answer

If a typical somatic cell has 64 chromosomes,how many chromosomes are expected in each gamete of that organism?

Correct AnswerverifiedShow Answer

Given that each G1 nucleus from this organism contains 16 picograms of DNA,how many picograms of chromosomal DNA would you expect in the cell shown below?

Correct AnswerverifiedShow Answer

The house fly,Musca domestica,has a haploid chromosome number of 6.How many chromatids should be present in a diploid,somatic,metaphase cell?

Correct AnswerverifiedShow Answer

In an organism with 60 chromosomes,how many bivalents would be expected to form during meiosis?

Correct AnswerverifiedShow Answer

When cells withdraw from the continuous cell cycle and enter a "quiescent" phase,they are said to be in what stage?

Correct AnswerverifiedShow Answer

In which stage of the cell cycle is G0 located?

Correct AnswerverifiedShow Answer

The diploid chromosome number of an organism is usually represented as 2n.Humans have a diploid chromosome number of 46.What would be the expected haploid chromosome number in a human?

Correct AnswerverifiedShow Answer

Which part of interphase does DNA duplication take place?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A G1 somatic cell nucleus in a female diploid Myrmecia pilosula bulldog ant) contains 2 picograms of DNA.How much DNA would be expected in a metaphase I cell of a female?

Correct AnswerverifiedShow Answer

A typical G1 nucleus is 2n and contains 2C two complements) of DNA.Which of the following is true?

Correct AnswerverifiedShow Answer

After meiosis II,________would be formed.

Correct AnswerverifiedShow Answer

Which chromosome has a telomere but the p arm is much shorter than the q arm?

Correct AnswerverifiedShow Answer

Which if the following is true?

Correct AnswerverifiedShow Answer

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D

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B

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A

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