Chapter 3 Review

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Name:

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#1 In what phase of the cell cycle are chromosomes duplicated?

G1

S

G2

M

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This picture demonstrates what a chromosome would look like after it was duplicated.

Tačno

Netačno

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#3. A duplicated chromosome consists of:

2 sister chromatids

2 sister chromosomes

2 heterozygous chromosomes

2 homologous chromosomes

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#4. After DNA replication, each duplicated chromosome consists of 2 sister chromatids held together at the ___________.

telomere

centromere

chromatid

centriole

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Does the picture above demonstrate Metaphase I in Meiosis I?

Tačno

Netačno

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Does the picture above demonstrate crossing over between homologous pairs of chromosomes?

Tačno

Netačno

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Does the picture above demonstrate Telophase I in Meiosis I?

Tačno

Netačno

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#11 How many cells are there at the end of meiosis I.

4

2

1

3

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#12. Are the cells at the end of meiosis I haploid or diploid?

diploid

haploid

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#15. How many cells do you have at the end of meiosis II?

4

2

1

3

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#16. Are the cells at the end of meiosis II haploid or diploid?

diploid

haploid

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#17. Are the cells at the end of meiosis II identical or different?

different

identical

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Gametes have

homologous chromosomes

twice the number of chromosomes found in body cells

two sets of chromosomes

one copy of each chromosome

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The figure above illustrates:

Crossing over

Independent assortment

Metaphase II

Non-disjunction

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At the end of meiosis, there are

two haploid daughter cells

four haploid daughter cells.

two diploid daughter cells.

four diploid daughter cells.

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How many chromosomes are in a human gamete?

43

46

23

26

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If a eukaryotic cell has 20 chromosomes and it undergoes meiosis, how many cells will result, and how many chromosomes will they contain?

4 cells, each with 20 chromosomes

4 cells, each with 10 chromosomes

2 cells, each with 10 chromosomes

2 cells, each with 20 chromosomes

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Cells that are ________ possess a single set of chromosomes

diploid

haploid

somatic

zygotes

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You have homologous pairs of chromosomes in each of your cells. In what way are these pairs of chromosomes similar?

They have exactly the same alleles.

They both come from the same parent

They have genes for the same traits

They will stay together during meiosis

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What process produces genetic diversity through random distribution of maternal & paternal chromosomes(meaning they can line up on either side of the metaphase plate)?

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From the list below, which choice represents a correct difference between sperm production and egg production?

Sperm are produced by mitosis; eggs are produced by meiosis

Sperm are produced by meiosis; eggs are produced by mitosis.

Four mature sperm are produced from one cell; one large egg is produced from one cell.

Eight mature sperm are produced from one cell; two eggs are produced from one cell

Sperm are produced by somatic (body) cells; eggs are produced by gametes

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Explain why the daughter cells produced by meiosis are genetically different from each other, whereas the daughter cells produced by mitosis are not.

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What two major events occur during meiosis that give the new cells genetic variation?

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Label the phases of Meiosis (be sure to be specific with I or II). Open the image below and insert text into the numbered boxes by clicking the "T" button on the toolbar to the right.

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Though the stages of meiosis have the same names as the stages of mitosis, they exhibit fundamental differences. What are the main differences between the two processes?

Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is introduced in meiosis, but not in mitosis

Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is reduced in meiosis, but not in mitosis.

Metaphase and telophase portions of meiosis and mitosis are the same. Meiosis and mitosis are also the same, except for the number of chromosomes. Anaphase I and anaphase are different.

Prophase and telophase portions of meiosis and mitosis are the same. Meiosis II and mitosis are also the same and have the same number of chromosomes. Anaphase I and anaphase are different.

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What can you tell about the person that this karyotype is from? Choose ALL that apply.

The person is female

The person is male

The person has Down's syndrome

The cell the DNA was taken from has gone through S phase

The cell the DNA was taken from was in G1 phase of cell cycle

The person has cancer

Nondisjunction occurred here

This is from a body cell

This is from a gamete

Chapter 3 Review

Name:

#1 In what phase of the cell cycle are chromosomes duplicated?

This picture demonstrates what a chromosome would look like after it was duplicated.

#3. A duplicated chromosome consists of:

#4. After DNA replication, each duplicated chromosome consists of 2 sister chromatids held together at the ___________.

Does the picture above demonstrate Metaphase I in Meiosis I?

Does the picture above demonstrate crossing over between homologous pairs of chromosomes?

Does the picture above demonstrate Telophase I in Meiosis I?

#11 How many cells are there at the end of meiosis I.

#12. Are the cells at the end of meiosis I haploid or diploid?

#15. How many cells do you have at the end of meiosis II?

#16. Are the cells at the end of meiosis II haploid or diploid?

#17. Are the cells at the end of meiosis II identical or different?

Gametes have

The figure above illustrates:

At the end of meiosis, there are

How many chromosomes are in a human gamete?

If a eukaryotic cell has 20 chromosomes and it undergoes meiosis, how many cells will result, and how many chromosomes will they contain?

Cells that are ________ possess a single set of chromosomes

You have homologous pairs of chromosomes in each of your cells. In what way are these pairs of chromosomes similar?

What process produces genetic diversity through random distribution of maternal & paternal chromosomes(meaning they can line up on either side of the metaphase plate)?

From the list below, which choice represents a correct difference between sperm production and egg production?

Explain why the daughter cells produced by meiosis are genetically different from each other, whereas the daughter cells produced by mitosis are not.

What two major events occur during meiosis that give the new cells genetic variation?

Label the phases of Meiosis (be sure to be specific with I or II). Open the image below and insert text into the numbered boxes by clicking the "T" button on the toolbar to the right.

Though the stages of meiosis have the same names as the stages of mitosis, they exhibit fundamental differences. What are the main differences between the two processes?

What can you tell about the person that this karyotype is from? Choose ALL that apply.

Name:

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

#1 In what phase of the cell cycle are chromosomes duplicated?

This picture demonstrates what a chromosome would look like after it was duplicated.

#3. A duplicated chromosome consists of:

#4. After DNA replication, each duplicated chromosome consists of 2 sister chromatids held together at the ___________.

Does the picture above demonstrate Metaphase I in Meiosis I?

Does the picture above demonstrate crossing over between homologous pairs of chromosomes?

Does the picture above demonstrate Telophase I in Meiosis I?

#11 How many cells are there at the end of meiosis I.

#12. Are the cells at the end of meiosis I haploid or diploid?

#15. How many cells do you have at the end of meiosis II?

#16. Are the cells at the end of meiosis II haploid or diploid?

#17. Are the cells at the end of meiosis II identical or different?

Gametes have

The figure above illustrates:

At the end of meiosis, there are

How many chromosomes are in a human gamete?

If a eukaryotic cell has 20 chromosomes and it undergoes meiosis, how many cells will result, and how many chromosomes will they contain?

Cells that are ________ possess a single set of chromosomes

You have homologous pairs of chromosomes in each of your cells. In what way are these pairs of chromosomes similar?

What process produces genetic diversity through random distribution of maternal & paternal chromosomes(meaning they can line up on either side of the metaphase plate)?

From the list below, which choice represents a correct difference between sperm production and egg production?

Explain why the daughter cells produced by meiosis are genetically different from each other, whereas the daughter cells produced by mitosis are not.

What two major events occur during meiosis that give the new cells genetic variation?

Label the phases of Meiosis (be sure to be specific with I or II). Open the image below and insert text into the numbered boxes by clicking the "T" button on the toolbar to the right.

Though the stages of meiosis have the same names as the stages of mitosis, they exhibit fundamental differences. What are the main differences between the two processes?

What can you tell about the person that this karyotype is from? Choose ALL that apply.

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?

What is the name of this phase?