General Questionnaire Essay

1388 Words 6 Pages
Question 1
2 out of 2 points

Which of the following statements about meiosis is true?

Selected Answer:
a.
The chromosome number in the resulting cells is halved.

Question 2
2 out of 2 points

The mitotic spindle

Selected Answer:
e.
is composed of two different types of microtubules.

Question 3
2 out of 2 points

A chromatid is

Selected Answer:
e.
one-half of a newly replicated eukaryotic chromosome.

Question 4
2 out of 2 points

Imagine that there is a mutation in the cyclin gene such that its gene product is nonfunctional. What kind of effect would this mutation have on a skin cell in the area of a cut?

Selected Answer:
a.
The cell
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Question 20
2 out of 2 points

Which of the following statements about kinetochores on mitotic chromosomes is true?

Selected Answer:
e.
All of the above

Question 21
2 out of 2 points

In meiosis II,

Selected Answer:
b.
sister chromatids are separated.

Question 22
2 out of 2 points

Cytokinesis

Selected Answer:
b.
involves the Golgi apparatus in plants.

Question 23
0 out of 2 points

Chromosome movement during anaphase is the result of

Selected Answer:
d.
shortening of the microtubules at the centrosome that pull the chromosomes toward the poles.

Question 24
2 out of 2 points

DNA replication occurs

Selected Answer:
b.
before both mitosis and meiosis.

Question 25
2 out of 2 points

Which of the following statements about cyclin-dependent kinases (Cdk's) or cyclin is false?

Selected Answer:
c.
Cyclin is made continuously during the cell cycle.

Question 26
2 out of 2 points

_______ is the term for when heterozygous offspring have superior fitness than their homozygous parents.

Selected Answer:
a.
Heterosis

Question 27
2 out of 2 points

What is the probability that a cross between a true-breeding pea plant with spherical seeds and a true-breeding pea plant with wrinkled seeds will produce F1 progeny with spherical seeds?

Selected Answer:
d.

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