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3 Apr 2018

Question 5 (2 points)

Which of the following statements about crossing over is INCORRECT?

Question 5 options:

It occurs between homologous chromosomes

It allows for two parents to produce many different types of offspring

It contributes to genetic diversity in a population

It occurs during prophase I of mitosis

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Related questions

Question 1 (2 points)

In which phase of cell division is marked by the dissolution of the nuclear membrane, the condensation of chromosomes, and the formation of the mitotic spindle?

Question 1 options:

prophase

metaphase

telophase

anaphase

Question 2 (2 points)

The physical separation of cells during cell division is called:

Question 2 options:

Cytokinesis

Telophase

Interphase

Chromosome

Cell plate

Question 3 (2 points)

Meiosis is necessary for sexual reproduction; the gametes formed during this process before fertilization are _______________.

Question 3 options:

Haploid

Diploid

Zygote

Homologous

Tetrads

Question 4 (2 points)

Mitosis is the process by which a ___________ cell separates the chromosomes in its nucleus into two identical sets of nuclei.

Question 4 options:

eukaryotic

prokaryotic

bacterial

all of these are correct

Question 5 (2 points)

Which of the following statements about crossing over is INCORRECT?

Question 5 options:

It occurs between homologous chromosomes

It allows for two parents to produce many different types of offspring

It contributes to genetic diversity in a population

It occurs during prophase I of mitosis

3)During Metaphase I of meiosis, microtubules called spindle fibers attach to the

homologous pairs of each chromosome

non-homologous pairs of each chromosome

non-sister chromatids of each chromosome

chiasmata of each chromosome

centrosome of each chromosome

4)Which meiotic process generates genetic diversity?

Independent assortment

Transcription

Mitosis

Translation

5)Crossing over:

Occurs between two homologous chromosomes in Meiosis

Occurs only in Mitosis

Can occur in Mitosis and Meiosis

Involves the exchange of DNA between two chromosomes

Involvs the exchange of centromeres between two chromosomes

What is the purpose of meiosis?

To enable an organism to produce gametes

To allow for growth

To allow an organism to replace damaged cells

Question 2

Select one answer.

10 points

Mitosis results in ________ and meiosis results in ________.

gametes, somatic cells

gametes, gametes

somatic cells, somatic cells

somatic cells, gametes

Question 3

Select one answer.

10 points

Which of the following tasks is accomplished through the processof meiosis?

Cell growth

Production of sperm or eggs

Replacement of dysfunctional cells

Question 4

Select one answer.

10 points

What advantage does sexual reproduction have over asexualreproduction?

All other selections are true.

Sexual reproduction provides more genetic variability

Sexual reproduction doubles the number of chromosomes in aspecies

Sexual reproduction is more efficient

Question 5

Select one answer.

10 points

Crossing over occurs between homologous chromosomes during whatstage of cell division? (Read each option carefully.)

Prophase I of meiosis

Prophase of mitosis

Prophase II of meiosis

Interphase

Question 6

Select one answer.

10 points

Corn has 20 chromosomes. When corn undergoes meiosis how manychromosomes are found in the gametes?

40

20

10

5

Question 7

Select one answer.

10 points

Homologous chromosomes separate and are pulled to opposite sidesof the cell during what stage of cell division? (Read each optioncarefully.)

Metaphase I of meiosis

Anaphase II of meiosis

Anaphase I of meiosis

Anaphase of mitosis

Question 8

Select one answer.

10 points

Mitosis results in ______ cells and meiosis results in _______cells.

diploid, haploid

haploid, diploid

diploid, diploid

haploid, haploid

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