Chapter 8

Question 0

One half of the chromosome

Answer 0

Chromatid

Question 1

Coiled up DNA in the nucleus

Answer 1

Chromatin

Question 2

Where sister chromatids are attached

Answer 2

Centromere

Question 3

Cells that contain both chromosomes of a homologous pair

Answer 3

Diploid(2n) cells

Question 4

Body cells

Answer 4

Somatic cells

Question 5

Cell with one chromosome of a pair

Answer 5

Haploid(1n) cells

Question 6

Sex cells

Answer 6

Gametes

Question 7

5 phases of the cell cycle

Answer 7

• first growth
• synthesis
• second growth
• mitosis
• cytokinesis

Question 8

What phases are in interphase

Answer 8

First growth
Synthesis
Second growth

Question 9

What phase do cells spend most of their time in

Answer 9

G1

Question 10

Steps of mitosis

Answer 10

Prophase
Metaphase
Anaphase
Telophase

Question 11

Centrosome

Answer 11

Organelles where spindle fibers come from

Question 12

Spindle fibers

Answer 12

Fibers that attach to the chromosomes

Question 13

Cytokinesis

Answer 13

When the cell divides

Question 14

Each new cell gets a

Answer 14

Nucleus

Question 15

In animal cells during cytokinesis a ___ forms

Answer 15

Cleavage furrow

Question 16

In plant cells during cytokinesis a ___ forms

Answer 16

Cell plate

Question 17

End results of cytokinesis(3)

Answer 17

Two new cells
Smaller in size than original
Same number of chromosomes(usually)

Question 18

Process of nuclear divisions that reduces the number of chromosomes by half

Answer 18

Meiosis

Question 19

___ divisions take place during meiosis

Answer 19

2

Question 20

Homologous pair

Answer 20

Chromosomes of the same set from the different parents

Question 21

Crossing-over

Answer 21

When a homologous pair combine part of their chromosomes

Question 22

Meiosis 1

Answer 22

When a sex cell splits,ms plotting the chromosome count in half

Question 23

Meiosis 2

Answer 23

When two sex cells split after meiosis 1 but have exact copies of the two starter ones

Question 24

Ovum

Answer 24

Egg

Question 25

What happen when the egg is formed

Answer 25

3 polar bodies are formed with one egg

Question 26

Spermatid

Answer 26

Sperm

Question 27

1 cell can create ___ Spermatid

Answer 27

4