Question 1

Sister chromatids are joined at the ______.

Accepted Answer

A)  centromere 
B)  spindle 
C)  centrosome 
D)  centriole 
A)  centromere 
B)  spindle 
C)  centrosome 
D)  centriole A

Question 2

A duplicated chromosome consists of two ______.

Accepted Answer

A)  centromeres 
B)  centrosomes 
C)  genomes 
D)  sister chromatids 
A)  centromeres 
B)  centrosomes 
C)  genomes 
D)  sister chromatids D

Question 3

One difference between mitosis and meiosis is ______.

Accepted Answer

A)  mitosis produces cells genetically identical to the parent cell, but meiosis does not 
B)  mitosis produces more daughter cells than meiosis 
C)  mitosis produces haploid cells, but meiosis produces diploid cells 
D)  mitosis requires only one parent cell, but meiosis requires two parent cells 
A)  mitosis produces cells genetically identical to the parent cell, but meiosis does not 
B)  mitosis produces more daughter cells than meiosis 
C)  mitosis produces haploid cells, but meiosis produces diploid cells 
D)  mitosis requires only one parent cell, but meiosis requires two parent cells A

Question 4

Which of the following is a stage of mitosis?

Accepted Answer

A)  cytokinesis 
B)  telophase 
C)  interphase 
D)  DNA synthesis 
A)  cytokinesis 
B)  telophase 
C)  interphase 
D)  DNA synthesis

Question 5

Sexual intercourse in humans ______.

Accepted Answer

A)  allows a haploid sperm cell to fertilize a haploid egg cell 
B)  produces a haploid individual 
C)  produces an individual with 23 chromosomes 
D)  combines two diploid gametes, producing a zygote 
A)  allows a haploid sperm cell to fertilize a haploid egg cell 
B)  produces a haploid individual 
C)  produces an individual with 23 chromosomes 
D)  combines two diploid gametes, producing a zygote

Question 6

How many chromosomes does an individual with Turner syndrome have?

Accepted Answer

A)  2n + 1 
B)  n + 1 
C)  2n - 1 
D)  n - 1 
A)  2n + 1 
B)  n + 1 
C)  2n - 1 
D)  n - 1

Question 7

The following figure shows that ______.

Accepted Answer

A)  meiosis results in the formation of four haploid daughter cells 
B)  fertilization results in four haploid daughter cells 
C)  the human 2n number is 4 
D)  meiosis forms diploid gametes 
A)  meiosis results in the formation of four haploid daughter cells 
B)  fertilization results in four haploid daughter cells 
C)  the human 2n number is 4 
D)  meiosis forms diploid gametes

Question 8

How many chromosomes can a gamete possess as a result of nondisjunction?

Accepted Answer

A)  n + 1 or n - 1 
B)  2n + 1 or 2n - 1 
C)  2n - 1 only 
D)  2n + 1 or n - 1 
A)  n + 1 or n - 1 
B)  2n + 1 or 2n - 1 
C)  2n - 1 only 
D)  2n + 1 or n - 1

Question 9

Ordinary cell division produces two daughter cells that are genetically identical.This type of cell division is important for all of the following functions EXCEPT

Accepted Answer

A)  growth of a multicellular organism. 
B)  cell replacement. 
C)  production of sperm and eggs. 
D)  asexual reproduction. 
A)  growth of a multicellular organism. 
B)  cell replacement. 
C)  production of sperm and eggs. 
D)  asexual reproduction.

Question 10

Which of the following occurs during interphase?

Accepted Answer

A)  Chromatin becomes tightly coiled. 
B)  Chromosome duplication. 
C)  Sister chromatids separate. 
D)  The mitotic spindle forms. 
A)  Chromatin becomes tightly coiled. 
B)  Chromosome duplication. 
C)  Sister chromatids separate. 
D)  The mitotic spindle forms.

Question 11

Cytokinesis typically begins during the ______ stage of mitosis.

Accepted Answer

A)  telophase 
B)  prophase 
C)  metaphase 
D)  anaphase 
A)  telophase 
B)  prophase 
C)  metaphase 
D)  anaphase

Question 12

Examine the figure below.Nucleosomes are made of ______.

Accepted Answer

A)  RNA and protein 
B)  DNA 
C)  proteins 
D)  DNA and histone proteins 
A)  RNA and protein 
B)  DNA 
C)  proteins 
D)  DNA and histone proteins

Question 13

What is the difference between a benign and a malignant tumor?

Accepted Answer

A)  Benign tumors are composed of cancer cells; malignant tumors are not. 
B)  Benign tumors are not the result of a failure of a cell cycle control system; malignant tumors are. 
C)  Benign tumors do not metastasize; malignant tumors do. 
D)  Benign tumors do not form lumps; malignant tumors do form lumps. 
A)  Benign tumors are composed of cancer cells; malignant tumors are not. 
B)  Benign tumors are not the result of a failure of a cell cycle control system; malignant tumors are. 
C)  Benign tumors do not metastasize; malignant tumors do. 
D)  Benign tumors do not form lumps; malignant tumors do form lumps.

Question 14

A cell that completed the cell cycle without undergoing cytokinesis would ______.

Accepted Answer

A)  have less genetic material than it started with 
B)  not have completed anaphase 
C)  have its chromosomes lined up in the middle of the cell 
D)  have two nuclei 
A)  have less genetic material than it started with 
B)  not have completed anaphase 
C)  have its chromosomes lined up in the middle of the cell 
D)  have two nuclei

Question 15

Which of the following will help prevent cancer and increase survival?

Accepted Answer

A)  Eat a low-fiber, low-fat diet. 
B)  Limit exercise. 
C)  Seek early detection of tumors. 
D)  Smoke only cigarettes. 
A)  Eat a low-fiber, low-fat diet. 
B)  Limit exercise. 
C)  Seek early detection of tumors. 
D)  Smoke only cigarettes.

Question 16

Which of the following occurs during prophase?

Accepted Answer

A)  Chromosomes line up on the midline of the cell. 
B)  The nuclear envelope forms. 
C)  Sister chromatids separate. 
D)  The mitotic spindle begins to form. 
A)  Chromosomes line up on the midline of the cell. 
B)  The nuclear envelope forms. 
C)  Sister chromatids separate. 
D)  The mitotic spindle begins to form.

Question 17

A ______ describes a site of crossing over.

Accepted Answer

A)  chiasma 
B)  histone 
C)  synapse 
D)  centromere 
A)  chiasma 
B)  histone 
C)  synapse 
D)  centromere

Question 18

Chromatin consists of ______.

Accepted Answer

A)  DNA and protein 
B)  RNA and protein 
C)  protein only 
D)  DNA only 
A)  DNA and protein 
B)  RNA and protein 
C)  protein only 
D)  DNA only

Question 19

How much genetic material is present in a cell during prophase I compared to a cell that has completed meiosis II?

Accepted Answer

A)  one-quarter as much 
B)  four times as much 
C)  one-half as much 
D)  twice as much 
A)  one-quarter as much 
B)  four times as much 
C)  one-half as much 
D)  twice as much

Question 20

Please read the following paragraph and answer the following question(s).
Amanda's parents realized that her body was not developing properly about the time she was 12 years old. She was shorter than most of her friends and was not going through changes normally associated with female puberty. They took her to a doctor who initially diagnosed Amanda with Turner Syndrome because of her physical features. He ordered a karyotype that confirmed his diagnosis. Amanda was born with only one X chromosome. Although there is no specific cure, the doctor was able to treat her and correct some of the problems associated with the condition. For example, she received growth hormone to improve her growth and estrogen to help her develop the physical changes of puberty.
-Amanda's abnormal number of sex chromosomes resulted from ______.

Accepted Answer

A)  independent assortment of chromosomes 
B)  crossing over 
C)  nondisjunction 
D)  random fertilization 
A)  independent assortment of chromosomes 
B)  crossing over 
C)  nondisjunction 
D)  random fertilization

Exam 8: Cellular Reproduction: Cells from Cells

Sister chromatids are joined at the ______.

A duplicated chromosome consists of two ______.

One difference between mitosis and meiosis is ______.

Which of the following is a stage of mitosis?

Sexual intercourse in humans ______.

How many chromosomes does an individual with Turner syndrome have?

The following figure shows that ______.

How many chromosomes can a gamete possess as a result of nondisjunction?

Ordinary cell division produces two daughter cells that are genetically identical.This type of cell division is important for all of the following functions EXCEPT

Which of the following occurs during interphase?

Cytokinesis typically begins during the ______ stage of mitosis.

Examine the figure below.Nucleosomes are made of ______.

What is the difference between a benign and a malignant tumor?

A cell that completed the cell cycle without undergoing cytokinesis would ______.

Which of the following will help prevent cancer and increase survival?

Which of the following occurs during prophase?

A ______ describes a site of crossing over.

Chromatin consists of ______.

How much genetic material is present in a cell during prophase I compared to a cell that has completed meiosis II?

Introduction- Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy from Food

Photosynthesis: Using Light to Make Food

Patterns of Inheritance

The Structure and Function of DNA

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

Plants, Fungi, and the Move onto Land

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Body's Defenses

Hormones

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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