AnswersBiologyCellular Reproduction

Cellular Reproduction — Test Answers

25 verified answers1 views
3

What is the step that is labeled D?

A
metaphase I
B
telophase II
C
metaphase II
D
telophase I
4

Which stage is labeled E in the diagram?

A
G0 phase
B
interphase
C
S phase
D
mitosis
5

Which statement is factual?

A
Sexual reproduction does not require the production of gametes.
B
Asexual reproduction leads to the formation of haploid gametes.
C
Sexual reproduction allows for diploid gametes to combine to increase genetic variation.
D
Asexual reproduction produces offspring that are identical to the parent.
7

Which process produces clones?

A
gamete formation
B
chromosome duplication
C
sexual reproduction
D
asexual reproduction
8

How does interphase prepare cells for mitosis?

A
growth of cell and replication of DNA
B
rest prior to cell division
C
division of cytoplasm
D
dissolution of nucleus and cell membrane
9

Which process produces a greater number of offspring?

A
asexual reproduction
B
gamete formation
C
chromosome duplication
D
sexual reproduction
10

What would happen to skin cells if mitosis did not take place?

A
Skin cells would be replaced at a slower rate.
B
Skin cells would be replaced with new cells.
C
Skin cells would die and not be replaced.
D
Skin cells would regrow from other types of cells.
11

How many chromosomes does a child inherit from his or her parents?

A
46 from the mother and 46 from the father
B
46 from the mother
C
23 from the mother and 23 from the father
D
46 from the father
12

Each year, about 1 point 2 million cases of skin cancer are reported worldwide. An increased exposure to environmental conditions is a major link to the increase in cases. Based on this information, which is the best conclusion?

A
Increasing exposure to the sun may reduce the chance of skin cancer.
B
Limiting exposure to the sun may reduce the chance of skin cancer.
C
Increasing exposure to the sun will not affect the chance of skin cancer.
D
Limiting exposure to the sun may increase the chance of skin cancer.
13

It is crucial that the process of mitosis is error free. This is because otherwise healthy cells can

A
produce two identical cells.
B
undergo meiosis.
C
become cancer cells.
D
grow into giant super cells.
14

Imagine that a disorder that causes the cell cycle to stop affects the muscle cells of a frog’s leg. What consequence is most likely to follow?

A
A broken bone in that leg will not mend.
B
An injury to the muscle will not heal.
C
The frog will immediately not be able to use the muscle.
D
The frog will not be able to reproduce.
15

Which of these pairings is correct?

A
mitosis, part of sexual reproduction because it produces haploids
B
mitosis, part of asexual reproduction because it produces diploids
C
meiosis, part of sexual reproduction because it produces diploids
D
meiosis, part of asexual reproduction because it produces haploids
16

What is the end result of meiosis?

A
two different daughter cells
B
four different daughter cells
C
four identical daughter cells
D
two identical daughter cells
17

How has the study of mitosis affected scientists’ knowledge of cancer?

A
It led to an understanding of how cancer cells divide so rapidly.
B
It led to a study of how to induce cancer cells to divide more rapidly.
C
It led to the discovery of how to prevent cancer cells from dividing.
D
It led to the development of contact-inhibition regulators.
18

Which correctly describes crossing over?

A
the process whereby homologous chromosome pairs align randomly along the metaphase plate
B
the process whereby homologous chromosomes are pulled to opposite poles of the cell
C
the process whereby sister chromatids are pulled to opposite poles of the cell
D
the process whereby non-sister chromatids exchange genetic material
20

Which best describes the processes of mitosis and meiosis?

A
Cells in mitosis go through the PMAT stages twice to produce diploid cells while cells in meiosis go through PMAT stages once to produce haploid cells.
B
Cells in mitosis go through the PMAT stages once to produce diploid cells while cells in meiosis go through PMAT stages twice to produce haploid cells.
C
Cells in mitosis and meiosis go through the PMAT stages twice to produce haploid cells.
D
Cells in mitosis and meiosis go through the PMAT stages once to produce diploid cells.

Did you find these answers helpful?

Cellular Reproduction — Test Answers — Biology