Question 1

What is a major difference between meiosis II and mitosis?

Accepted Answer

A)  Homologues align on the metaphase plate in meiosis II.
B)  Sister chromatids separate in mitosis,and homologues separate in meiosis II.
C)  Meiosis II takes place in a haploid cell,while mitosis takes place in diploid cells.
D)  Crossover takes place in meiosis II.E) None of the above
F) A) and D)

Question 2

Figure 12.5 
-Grasshoppers have 11 pair of autosomes,and one sex chromosome.Which chromosome in Figure 12.5 is the sex chromosome?

Accepted Answer

A)  e
B)  X
C)  j
D)  kE) A) and B)
F) None of the above

Question 3

Which of the following is an example of monosomy?

Accepted Answer

A)  Turner's syndrome (XO) 
B)  Klinefelter's syndrome (XXY) 
C)  Down's syndrome (21,21,21) D) B) and C)
E) All of the above

Question 4

At what stage of meiosis does DNA replication take place?

Accepted Answer

A)  DNA replication does not take place in cells destined to undergo meiosis.
B)  prophase I
C)  between meiosis I and meiosis II
D)  None.DNA replication occurs before meiosis I begins.E) A) and D)
F) None of the above

Question 5

Figure 12.3 
-In Figure 12.3,what major event is taking place during this phase of meiosis?

Accepted Answer

A)  synapsis
B)  crossing over
C)  homologues separate
D)  separation of sister chromatidsE) A) and D)
F) A) and C)

Question 6

Chromosome number of hexaploid wheat,Triticum aestivum,can be represented by which of the following?

Accepted Answer

A)  n
B)  2n
C)  4n
D)  6nE) B) and D)
F) A) and C)

Question 7

Homologous chromosomes

Accepted Answer

A)  are identical.
B)  carry information for the same traits.
C)  carry the same alleles.
D)  align on the metaphase plate in meiosis II.E) All of the above
F) A) and C)

Question 8

In sexual reproduction,the variation among offspring,and the fact that they are genetically different from their parents,is due to which of the following?

Accepted Answer

A)  random alignment of homologues during meiosis I
B)  crossing over
C)  random process of fertilization
D)  all of the above contribute to genetic variability in sexual reproductionE) B) and D)
F) None of the above

Question 9

Which of the following types of reproduction is associated with the most genetic variation among offspring?

Accepted Answer

A)  binary fission
B)  asexual reproduction
C)  budding
D)  sexual reproductionE) B) and D)
F) B) and C)

Question 10

What is a major difference between mitosis and meiosis I?

Accepted Answer

A)  Sister chromatids separate in mitosis,and homologues separate in meiosis I.
B)  DNA replication takes place prior to mitosis,but not before meiosis I.
C)  Prophase is longer and more complex in mitosis.
D)  Only meiosis I results in daughter cells that contain identical genetic information.E) A) and B)
F) B) and C)

Question 11

Meiosis involves the creation of haploid cells from diploid cells.The haploid chromosome number is created when

Accepted Answer

A)  homologous chromosomes separate.
B)  the S phase of the cell cycle is bypassed during meiotic interphase.
C)  sister chromatids separate.
D)  ova and sperm go through their respective maturation processes.E) B) and C)
F) B) and D)

Question 12

In which phase of meiosis do sister chromatids separate?

Accepted Answer

A)  Metaphase I
B)  Anaphase I
C)  Metaphase II
D)  Anaphase IIE) B) and D)
F) None of the above

Question 13

For the duration of meiosis I,each chromosome is

Accepted Answer

A)  in the form of a tetrad.
B)  two sister chromatids joined by a centromere.
C)  a chromosome and its homologue.
D)  undergoing synapsis.E) B) and C)
F) B) and D)

Question 14

Quaking aspen can send out underground stems.New trees can sprout from these stems.This is an example of what type of reproduction?

Accepted Answer

A)  Sexual
B)  Alternation of generations
C)  Haploid
D)  AsexualE) A) and B)
F) A) and C)

Question 15

The egg of a fruit fly has 4 chromosomes.How many chromosomes are in a somatic cell of a fruit fly?

Accepted Answer

A)  4
B)  2
C)  8
D)  16E) All of the above
F) B) and D)

Question 16

The diploid number of a roundworm species is 4.You have a male and a female roundworm that are planning a family.Assuming random segregation of homologues during meiosis and no crossover,how many different possible combinations of chromosomes might there be in the offspring?

Accepted Answer

A)  4
B)  8
C)  16
D)  64E) B) and D)
F) None of the above

Question 17

If meiosis produces haploid cells,how is the diploid number restored for those organisms that spend most of their life cycle in the diploid state?

Accepted Answer

A)  DNA replication
B)  reverse transcription
C)  synapsis
D)  fertilizationE) None of the above
F) B) and D)

Question 18

Egg and sperm,involved in sexual reproduction,are formed through a process called

Accepted Answer

A)  binary fission.
B)  mitosis.
C)  meiosis.
D)  fertilization.E) All of the above
F) C) and D)

Question 19

Asexual reproduction takes place by which of the following processes?

Accepted Answer

A)  meiosis
B)  fertilization
C)  chromosome exchange between organisms of the same species
D)  mitosisE) A) and B)
F) None of the above

Exam 12: Meiosis

What is a major difference between meiosis II and mitosis?

Correct Answer
verified

The egg of a fruit fly has 4 chromosomes.How many chromosomes are in a somatic cell of a fruit fly?

Correct Answer
verified

Chromosome number of hexaploid wheat,Triticum aestivum,can be represented by which of the following?

Correct Answer
verified

Meiosis involves the creation of haploid cells from diploid cells.The haploid chromosome number is created when

Correct Answer
verified

Figure 12.3 -In Figure 12.3,what major event is taking place during this phase of meiosis?

Correct Answer
verified

Quaking aspen can send out underground stems.New trees can sprout from these stems.This is an example of what type of reproduction?

Correct Answer
verified

What is a major difference between mitosis and meiosis I?

Correct Answer
verified

In which phase of meiosis do sister chromatids separate?

Correct Answer
verified

Which of the following types of reproduction is associated with the most genetic variation among offspring?

Correct Answer
verified

In sexual reproduction,the variation among offspring,and the fact that they are genetically different from their parents,is due to which of the following?

Correct Answer
verified

Egg and sperm,involved in sexual reproduction,are formed through a process called

Correct Answer
verified

Homologous chromosomes

Correct Answer
verified

The diploid number of a roundworm species is 4.You have a male and a female roundworm that are planning a family.Assuming random segregation of homologues during meiosis and no crossover,how many different possible combinations of chromosomes might there be in the offspring?

Correct Answer
verified

For the duration of meiosis I,each chromosome is

Correct Answer
verified

Which of the following is an example of monosomy?

Correct Answer
verified

Figure 12.5 -Grasshoppers have 11 pair of autosomes,and one sex chromosome.Which chromosome in Figure 12.5 is the sex chromosome?

Correct Answer
verified

At what stage of meiosis does DNA replication take place?

Correct Answer
verified

If meiosis produces haploid cells,how is the diploid number restored for those organisms that spend most of their life cycle in the diploid state?

Correct Answer
verified

Asexual reproduction takes place by which of the following processes?

Correct Answer
verified

Exam 12: Meiosis

What is a major difference between meiosis II and mitosis?

Correct AnswerverifiedShow Answer

The egg of a fruit fly has 4 chromosomes.How many chromosomes are in a somatic cell of a fruit fly?

Correct AnswerverifiedShow Answer

Chromosome number of hexaploid wheat,Triticum aestivum,can be represented by which of the following?

Correct AnswerverifiedShow Answer

Meiosis involves the creation of haploid cells from diploid cells.The haploid chromosome number is created when

Correct AnswerverifiedShow Answer

Figure 12.3 -In Figure 12.3,what major event is taking place during this phase of meiosis?

Correct AnswerverifiedShow Answer

Quaking aspen can send out underground stems.New trees can sprout from these stems.This is an example of what type of reproduction?

Correct AnswerverifiedShow Answer

What is a major difference between mitosis and meiosis I?

Correct AnswerverifiedShow Answer

In which phase of meiosis do sister chromatids separate?

Correct AnswerverifiedShow Answer

Which of the following types of reproduction is associated with the most genetic variation among offspring?

Correct AnswerverifiedShow Answer

In sexual reproduction,the variation among offspring,and the fact that they are genetically different from their parents,is due to which of the following?

Correct AnswerverifiedShow Answer

Egg and sperm,involved in sexual reproduction,are formed through a process called

Correct AnswerverifiedShow Answer

Homologous chromosomes

Correct AnswerverifiedShow Answer

The diploid number of a roundworm species is 4.You have a male and a female roundworm that are planning a family.Assuming random segregation of homologues during meiosis and no crossover,how many different possible combinations of chromosomes might there be in the offspring?

Correct AnswerverifiedShow Answer

For the duration of meiosis I,each chromosome is

Correct AnswerverifiedShow Answer

Which of the following is an example of monosomy?

Correct AnswerverifiedShow Answer

Figure 12.5 -Grasshoppers have 11 pair of autosomes,and one sex chromosome.Which chromosome in Figure 12.5 is the sex chromosome?

Correct AnswerverifiedShow Answer

At what stage of meiosis does DNA replication take place?

Correct AnswerverifiedShow Answer

If meiosis produces haploid cells,how is the diploid number restored for those organisms that spend most of their life cycle in the diploid state?

Correct AnswerverifiedShow Answer

Asexual reproduction takes place by which of the following processes?

Correct AnswerverifiedShow Answer

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