Chapter 3

Question 1

Secondary spermatocyte oocyte

Answer 1

• The products of sperm development that follows reductional division.
• The products of Meiosis 1 in egg development.

Question 2

Polar body

Answer 2

• The products of Meiosis 1 in egg development.

- The cell in egg development that gets a set of chromosomes, but little cytoplasm

Question 3

S-phase of interphasae

Answer 3

The stage of the cell cycle when the DNA is copied

Question 4

Reductional Division

Answer 4

The type of cell division when the cell goes from 2N to 1N

Question 5

Chromatid

Answer 5

Half of a replication chromosome

Question 6

Centromere/ Kinetochore

Answer 6

The region on the chromosome to which spindle fibers attach in mitosis

Question 7

Mitosis

Answer 7

The type of cell division that produces two copies of the original parent

Question 8

Meiosis one

Answer 8

The type of cell division when the cell goes from 2N to 1N

Question 9

Tetrad

Answer 9

The name of a homologous chromosome pair following synapsis.

Question 10

Binary fisson

Answer 10

Reproduction in prokaryotes

Question 11

Diploid

Answer 11

An organism or cell that contains 2 copies of each type of chromosome

Question 12

Haploid

Answer 12

• The number of chromosomes in an egg or sperm.

- The number of sets of chromosomes in a somatic cell

Question 13

Prophase

Answer 13

• The stage of meiosis 1 when tetrads form
• The stage of meiosis 1 when crossing over occurs
• The stage in mitosis when chromosome condense and become visible as individual stands under a microscope

Question 14

Cytokinesis

Answer 14

• The stage in the cell cycle when the cytoplasm divides in half.

Question 15

Metaphase

Answer 15

A stage of Mitosis when chromosomes are aligned down the center of cell

Question 16

Anaphase of Mitosis

Answer 16

2 stage in the cell cycle when sister chromatids separate from each other

Question 17

Telophase

Answer 17

The stage in mitosis which typically overlaps with cytokinesis.
-The stage in mitosis when the chromosomes returns to the uncondensed state.

Question 18

Centrosome

Answer 18

The organelle from which spindle fibers originate and branch out

Question 19

Anaphase of Meiosis one

Answer 19

The stage of meiosis when homologous chromosome separate

Question 20

Anaphase of Meiosis two

Answer 20

-2 stage in the cell cycle when sister chromatids separate from each other.
-Stages in egg development when it is composed of unpaired chromosomes composed if two chromatids
end of meiosis 1 and beginning of meiosis 2
-The stage of meiosis when a replication chromosome first becomes two separate chromosomes