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Cell Division
Cell Division Multiple Choice
30
Biology
9th Grade
06/12/2010

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Cards

Term

Cancer is usually associated with mutations of genes involved in:

A. Cell growth

B. Stem cell production

C. Cell metabolism

D. Cell Division

Definition

 

 

D. Cell Division

Term

Somatic cells are produced via

_______ reproduction.

A. Binary fission

B. Sexual

C. Asexual

D. Germ cell division

Definition

 

 

C. Asexual

Term

The single bacterial chromosome is found in a region of the cell known as:

A. the nucleus

B. the chromosomal region

C. the cytoplasm

D. the nucleoid

Definition

 

 

D. the nucleoid

Term

At what point during Interphase is DNA replicated?

A. during the S phase

B. during cytokinesis

C. during the G1 phase

D. during the M phase

Definition

 

 

A. during the S phase

Term

The three phases of Interphase include...

A. G3, M, and G1

B. G1, M, and S

C. G1, G2, and M

D. G1, G2, and S

Definition

 

 

D. G1, G2, and S

Term

Which one of the following events occurs during prophase?

A. chromosomes line up at cell equator

B. nuclear envelope disintegrates

C. cytoplasm divides

D. spindle breaks down

Definition

 

 

B. nuclear envelope disintegrates

Term

During mitosis, a 2n parent cell nucleus divides to form:

A. two 1n daughter nuclei

B. one 2n daughter nucleus

C. four 1n daughter nuclei

D. two 2n daughter nuclei

Definition

 

 

D. two 2n daughter nuclei

Term

What is the outcome of meiosis I?

A. sister chromatids separate

B. DNA is replicated

C. homologous chromosomes separate

D. four sex cells are formed

Definition

 

 

C. homologous chromosomes separate

Term

The exchange of genetic material between non-sister chromatids is called:

A. crossing-over

B. replication

C. metastasis

D. synapsis

Definition

 

 

A. crossing-over

Term

In both plant and animal cells, the mitotic spindle is organized by two ______.

A. centrioles

B. centrosomes

C. centromeres

D. microtubules

Definition

 

 

B. centrosomes

Term

The formation of female gametes is referred to as:

A. mitosis

B. oogenesis

C. spermatogenesis

D. binary fission

Definition

 

 

B. oogenesis

Term

Which phenomenon, along with crossing-over, increases variation, which is a major advantage of sexual reproduction?

A. synapsis

B. mutation

C. independant assortment

Definition

 

 

C. independant assortment

Term

During Metaphase I of meiosis:

A. crossing-over occurs

B. homologous chromosomes separate

C. homologous chromosomes line up independently

D. daughter cells form

Definition

 

 

C. homologous chromosomes line up independently

Term

During telophase:

A. chromosomes become visible

B. the nucleus and nucleolus reappear

C. the cytoplasm divides

D. the centrosomes divide

Definition

 

 

B. the nucleus and nucleolus reappear

Term

A cell biologist is studying the phase of mitosis where sister chromatids seperate and begin to move toward the poles of the cell.  Which one of the following phases of mitosis is this biologist studying?

A. prophase

B. metaphase

C. anaphase

D. telophase

Definition

 

 

C. anaphase

Term
[image]
Definition

 

 

C. meiosis and fertilization

Term

If the total number of chromosomes is six, then after mitosis there will be:

A. two chromosomes in each daughter cell, one from each parent

B. twelve chromosomes in each daughter cell

C. six chromosomes in each daughter cell

Definition

 

 

C. six chromosomes in each daughter cell

Term

If an organism has 50 chromosomes in its somatic cells, which of the following would be correct for its gametes?

A. 50 chromosomes

B. 25 chromosomes

C. 25 pairs of chromosomes

Definition

 

 

B. 25 chromosomes

Term

A geneticist is studying the karyotupe of a person with a normal number of chromosomes.  Which of the following would be the correct chromosome configuration?


A. 22 pairs of autosomes and one pair of sex chromosomes

B. 22 autosomes and 2 sex chromosomes

C. 46 autosomal chromosomes

D. 46 autosomal chromosomes and 2 sex chromosomes

Definition

 

 

A. 22 pairs of autosomes and one pair of sex chromosomes.

Term

A geneticist is examining the karyotype of a person and notices that this individual has three copies of chromosome 21.  Based on the information the geneticist can determine that this person has which of the following syndromes?

A. Turner syndrome

B. Down syndrome

C. Edwards syndrome

D. Klinefelter syndrome

Definition

 

 

B. Down syndrome

Term

A basic difference between spermatogenesis and oogenesis is that in oogenesis:

A. four functional eggs are produced

B. one cell eventually completes meiosis II

C. four cells are produced and fertilization is required for completion

D. one cell is produced and fertilization is required for completion

Definition

 

 

D. one cell is produced and fertilization is required for completion

Term
[image]
Definition

 

 

B. G1

Term
[image]
Definition

 

 

D. cytokinesis

Term
[image]
Definition

 

 

A. S

Term

A scientist is studying the stage of the cell cycle where some of the organelles double in number and cell accumulates materials that will be used in the next cell division.  Which of the following stages would she be studying?

A. S

B. G1

C. G2

D. Mitosis

Definition

 

 

B. G1

Term

Which of the following is not a reason why cell division is important in eukaryotes?


A. to repair damaged tissue

B. to replace old cells
C. to make extra copies of DNA to store for later use

D. to make new cells as the organism grows

Definition

 

 

C. to make extra copies of DNA to store for later use

Term

Which is not a correct association?

A. Cytokinesis - division of the cytoplasm

B. Somatic - cells of the body not involved in gamete production and undergo mitosis

C. Sister chromatids - two identical chromosome arms of one chromosome

D. Mitosis - when a cell divides twice in half the chromosome number

Definition

 

 

D. Mitosis - when a cell divides twice in half the chromosome number

Term

The greatest amount of day-to-day cariation is produced by the process of:

A. mitosis

B. meiosis

C. mutations

D. meiosis and crossing-over

Definition

 

 

D. meiosis and crossing-over

Term

Which of the following statements about mitosis and meiosis is incorrect?

A. Meiosis - two divisions, Mitosis - one division

B. Meiosis - four daughter cells, mitosis - two daughter cells

C. Meiosis - non-identical daughter cells, Mitosis - identical daughter cells

D. Meiosis - diploid, Mitosis - haploid

Definition

 

 

D. Meiosis - diploid, Mitosis - haploid

Term

Meiosis results in a change in chromosome number indicated by:

A. 2n to 2n

B. 2n to n

C. n to 2n

D. n to n

Definition

 

 

B. 2n to n

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