Mitosis + Meiosis

Question 1

Nucleoli are present during _____.

Metaphase

Anaphase

Interphase

Prometaphase

Prophase

Answer 1

Interphase

Question 2

Cytokinesis often, but not always, accompanies ______.

Telophase

Prometaphase

Metaphase

Interphase

Anaphase

Answer 2

Telophase

Question 3

Chromosomes become visible during ______.

Interphase

Anaphase

Metaphase

Prophase

Prometaphase

Answer 3

Prophase

Question 4

Centromeres DIVIDE + Sister Chromatids become full-fledged Chromosomes during ______.

Interphase

Telophase

Metaphase

Prometaphase

Anaphase

Answer 4

Anaphase ?

Question 5

Spindle Fibers ATTACH to Kinetochores during ____.

Answer 5

Prometaphase

Question 6

During Prophase, a Homologous Pair of Chromosomes consists of _____.

Answer 6

2 Chromosomes + 2 Chromatids

Question 7

Which Event DOES NOT take place before the Start of Mitosis?

(a) . The Nuclear Envelope disintegrates
(b) . DNA is Replicated
(c) . Organelles proliferate
(d) . Parent cell grows

Answer 7

(a). The Nuclear Envelope (does not) disintegrates

Question 8

Which term describes 2 recently Replicated DNA strands that are JOINED together just BEFORE Cell Division?

(a) . Centromere
(b) . Sister Chromatids
(c) . Centriole
(d) . Centrosome

Answer 8

(b). Sister Chromatids

Question 9

During which Stage of Mitosis are Chromosomes LINED UP in the Center of the Cell?

Answer 9

Metaphase

Question 10

Which Stage of Mitosis is Characterized by the DISINTEGRATION of Mitotic Spindles + the FORMATION of 2 new Nuclear Membranes?

Answer 10

Telophase

Question 11

To which part of the Centromere do Mitotic Spindle Fibers ATTACH during Prometaphase?

Answer 11

Kinetochore

Question 12

What is the Ploidy of Organisms that have 2 SETS of Chromosomes?

Answer 12

2n

Question 13

What Information CAN NOT be Obtained from an individual’s Karyotype?

(a) . The Ploidy of the Individual.
(b) . The Sequence of Bases of a Particular Gene.
(c) . The # of Autosomes in the Individual
(d) . The Types of Chromosomes present in the Individual.

Answer 13

(b). The Sequence of Bases of a Particular Gene.

Question 14

IF a Cell has 24 Chromosomes, how many Chromosomes would each of its 4 Daughter Cells have AFTER Meiosis

(a) . 12
(b) . 36
(c) . 6
(d) . 24

Answer 14

(a). 12

Question 15

Which of the following statements about Meiosis + Mitosis is TRUE?

(a) . In Mitosis + Meiosis I, Homologous Chromosomes move independently of each other.
(b) . In Meiosis II + Mitosis, a Diploid cell divides.
(c) . Each Daughter Cell produced during Meiosis + Mitosis is Genetically Identical to the Parent cell.
(d) . Meiosis II is similar to Mitosis in that Sister Chromatids of each Chromosome separate.

Answer 15

(d). Meiosis II is similar to Mitosis in that Sister Chromatids of each Chromosome separate.

Question 16

(a). Chiasma (b). Synapsis (c). Centromere (d). Tetrad

Answer 16

(a). Chiasma

Question 17

(a) . 4 different Chromosomes
(b) . 2 pairs of Homologous Chromosomes
(c) . 2 Sister Chromatids
(d) . 1 pair of Homologous Chromosomes

Answer 17

(d). 1 pair of Homologous Chromosomes

Question 18

Which of the following is a Function of the S phase in the Cell Cycle?

(a) . Synchronization of Organelle Division
(b) . Synthesis of Sister Chromatids
(c) . Separation of Sister Chromatids
(d) . Sorting of Chromosomes.

Answer 18

(b). Synthesis of Sister Chromatids

Question 19

The COPYING of Chromosomes occurs during which of the following Phases of the Cell Cycle?

(a) . M
(b) . G2
(c) . G1
(d) . S

Answer 19

(d). S phase

Question 20

For the 1st several Divisions of Early Frog Embryos, Cells Proceed directly from the M phase to the S phase + Back to M phase w/out gaps. Which of the following is likely to be True about Dividing Cells in Early Frog Embryos

(a) . the Cells get SMALLER w/ EACH Generation.
(b) . the # of Chromosomes ⬇︎ w/ EACH Generation
(c) . the Cells DO NOT Divide by Mitosis.
(d) . Frog Embryos DO NOT have DNA.

Answer 20

(a). the Cells get SMALLER w/ EACH Generation.

Question 21

Which of the following Events would CAUSE the Cell Cycle to ARREST?

(a) . Complete Chromosome Replication
(b) . Synthesis of Cyclins by Growth Factors + Activation of a Cyclin–Cdk complex
(c) . Poor Nutrient Conditions
(d) . Chromosomes LINED UP along the Metaphase Plate.

Answer 21

(c). Poor Nutrient Conditions

Question 22

IF an Organism normally has 34 Chromosomes, how many Molecules of DNA should there be in the G1 phase of the Cell Cycle?

(a) . 68
(b) . 136
(c) . 17
(d) . 34

Answer 22

(d). 34