Question 1

All of the microtubules are the same length, and homologous chromosomes are aligned midway between the spindle poles at ____.

Accepted Answer

A)  ​telophase I 
B)  ​metaphase I 
C)  ​anaphase I 
D)  ​metaphase II 
E)  ​anaphase II 
A)  ​telophase I 
B)  ​metaphase I 
C)  ​anaphase I 
D)  ​metaphase II 
E)  ​anaphase II

Question 2

Figure 12.5
  
-The cell in the accompanying illustration is in ____.

Accepted Answer

A)  ​prophase I. 
B)  ​metaphase I. 
C)  ​anaphase I. 
D)  ​prophase II. 
E)  anaphase II.​ 
A)  ​prophase I. 
B)  ​metaphase I. 
C)  ​anaphase I. 
D)  ​prophase II. 
E)  anaphase II.​

Question 3

Match the term to the correct description.​
-This process is most similar to mitosis.

Accepted Answer

A) ​prophase II 
B) ​metaphase I 
C) ​telophase II 
D) ​meoisis II 
A) ​prophase II 
B) ​metaphase I 
C) ​telophase II 
D) ​meoisis II

Question 4

If a child more strongly resembles one parent's physical traits than the other parent's, the explanation could be due to chromosome movements during

Accepted Answer

A)  ​anaphase II. 
B)  ​metaphase II. 
C)  ​prophase II. 
D)  ​anaphase I. 
E)  ​telophase I. 
A)  ​anaphase II. 
B)  ​metaphase II. 
C)  ​prophase II. 
D)  ​anaphase I. 
E)  ​telophase I.

Question 5

In mitosis, one diploid nucleus becomes​

Accepted Answer

A)  ​two haploid nuclei. 
B)  ​one haploid nucleus. 
C)  ​two diploid nuclei. 
D)  ​four diploid nuclei. 
E)  ​four haploid nuclei. 
A)  ​two haploid nuclei. 
B)  ​one haploid nucleus. 
C)  ​two diploid nuclei. 
D)  ​four diploid nuclei. 
E)  ​four haploid nuclei.

Question 6

__________ are regions in an organism's DNA that encode information about heritable traits.

Accepted Answer

The answer of __________ are regions in an organism's DNA...

Question 7

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​
-New genetic combinations are present after this stage.

Accepted Answer

A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I 
A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I

Question 8

Crossing over occurs during

Accepted Answer

A)  ​anaphase I. 
B)  ​metaphase II. 
C)  ​prophase I. 
D)  ​prophase II. 
E)  telophase II.​ 
A)  ​anaphase I. 
B)  ​metaphase II. 
C)  ​prophase I. 
D)  ​prophase II. 
E)  telophase II.​

Question 9

Sexual reproduction has many benefits from a genetic standpoint. Can you think of any downside to sexual reproduction?

Accepted Answer

The most obvious downside of sexual repr

Question 10

Anaphase

Accepted Answer

A)  involves the lining up of the chromosomes across the equatorial plate.​ 
B)  is the same in mitosis and meiosis I and II.​​ 
C)  is initiated when the chromosomes begin to move apart. 
D)  ​results in an unequal distribution of chromosomes to the resulting cells. 
E)  ​occurs after telophase. 
A)  involves the lining up of the chromosomes across the equatorial plate.​ 
B)  is the same in mitosis and meiosis I and II.​​ 
C)  is initiated when the chromosomes begin to move apart. 
D)  ​results in an unequal distribution of chromosomes to the resulting cells. 
E)  ​occurs after telophase.

Question 11

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​
-By the end of this phase, the number of homologous chromosomes is reduced in half.

Accepted Answer

A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I 
A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I

Question 12

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​
-During this phase, homologues separate.

Accepted Answer

A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I 
A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I

Question 13

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​
-Recombination via crossing over occurs during this stage.

Accepted Answer

A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I 
A) ​prophase I 
B) ​metaphase II 
C) ​anaphase I 
D) ​anaphase II 
E) ​telophase I

Question 14

In sexual reproducers, meiosis gives rise to

Accepted Answer

A)  ​diploid gametes. 
B)  ​haploid gametes. 
C)  ​triploid gametes. 
D)  ​haploid germ cells. 
E)  ​diploid germ cells. 
A)  ​diploid gametes. 
B)  ​haploid gametes. 
C)  ​triploid gametes. 
D)  ​haploid germ cells. 
E)  ​diploid germ cells.

Question 15

Figure 12.6
  
-The accompanying figure illustrates ____.

Accepted Answer

A)  ​anaphase I 
B)  ​metaphase I 
C)  ​metaphase II 
D)  ​crossing over 
E)  migration​ 
A)  ​anaphase I 
B)  ​metaphase I 
C)  ​metaphase II 
D)  ​crossing over 
E)  migration​

Question 16

Match the term to the correct description.​
-A new nuclear envelope forms around each set of chromosomes, so four haploid (n) nuclei form.

Accepted Answer

A) ​prophase II 
B) ​metaphase I 
C) ​telophase II 
D) ​meoisis II 
A) ​prophase II 
B) ​metaphase I 
C) ​telophase II 
D) ​meoisis II

Question 17

Which of the following is TRUE at the end of telophase I in corn (2n = 20)?​

Accepted Answer

A)  ​Each cell has 20 chromosomes. 
B)  ​Each chromosome is paired with its homologue. 
C)  ​Centromeres connect homologous chromosomes. 
D)  ​Each cell is diploid. 
E)  ​Centromeres connect sister chromatids. 
A)  ​Each cell has 20 chromosomes. 
B)  ​Each chromosome is paired with its homologue. 
C)  ​Centromeres connect homologous chromosomes. 
D)  ​Each cell is diploid. 
E)  ​Centromeres connect sister chromatids.

Question 18

Figure 12.3
  
-Which letter in the accompanying figure represents the ovary in which haploid germ cells form by meiosis and gametes form when these cells divide by mitosis?

Accepted Answer

A)  ​A only 
B)  ​B only 
C)  ​C only 
D)  ​D only 
E)  ​both A and D 
A)  ​A only 
B)  ​B only 
C)  ​C only 
D)  ​D only 
E)  ​both A and D

Question 19

What makes bdelloid rotifers so unique?​

Accepted Answer

A)  ​They reproduce sexually. 
B)  ​They can reproduce sexually or asexually. 
C)  ​They are all males. 
D)  ​They can import DNA from other major kingdoms. 
E)  ​A female can become a male if males are scarce. 
A)  ​They reproduce sexually. 
B)  ​They can reproduce sexually or asexually. 
C)  ​They are all males. 
D)  ​They can import DNA from other major kingdoms. 
E)  ​A female can become a male if males are scarce.

Exam 12: Meiosis and Sexual Reproduction

All of the microtubules are the same length, and homologous chromosomes are aligned midway between the spindle poles at ____.

Figure 12.5 -The cell in the accompanying illustration is in ____.

Match the term to the correct description.​ -This process is most similar to mitosis.

If a child more strongly resembles one parent's physical traits than the other parent's, the explanation could be due to chromosome movements during

In mitosis, one diploid nucleus becomes​

__________ are regions in an organism's DNA that encode information about heritable traits.

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​ -New genetic combinations are present after this stage.

Crossing over occurs during

Sexual reproduction has many benefits from a genetic standpoint. Can you think of any downside to sexual reproduction?

Anaphase

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​ -By the end of this phase, the number of homologous chromosomes is reduced in half.

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​ -During this phase, homologues separate.

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​ -Recombination via crossing over occurs during this stage.

In sexual reproducers, meiosis gives rise to

Figure 12.6 -The accompanying figure illustrates ____.

Match the term to the correct description.​ -A new nuclear envelope forms around each set of chromosomes, so four haploid (n) nuclei form.

Which of the following is TRUE at the end of telophase I in corn (2n = 20)?​

Figure 12.3 -Which letter in the accompanying figure represents the ovary in which haploid germ cells form by meiosis and gametes form when these cells divide by mitosis?

What makes bdelloid rotifers so unique?​

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

Match the term to the correct description. -This process is most similar to mitosis.

In mitosis, one diploid nucleus becomes

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages. -New genetic combinations are present after this stage.

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages. -By the end of this phase, the number of homologous chromosomes is reduced in half.

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages. -During this phase, homologues separate.

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages. -Recombination via crossing over occurs during this stage.

Match the term to the correct description. -A new nuclear envelope forms around each set of chromosomes, so four haploid (n) nuclei form.

Which of the following is TRUE at the end of telophase I in corn (2n = 20)?

What makes bdelloid rotifers so unique?