Chapter 8 Cellular Reproduction

Question 1

A Bacteria Cell divides by a process called _____?

Answer 1

Binary Fission

Question 2

Which chromosome pairs are the same length and have the same genes, but are not identical?

Answer 2

Homologous chromosomes

Question 3

What do centromeres bind together?

Answer 3

Sister Chromatids

Question 4

Which type of cell division is strictly for sexual reproduction?

Answer 4

Meiosis

Question 5

How many representatives of each homologous chromosome does a haploid have?

Answer 5

1

Question 6

How many cells are produced from meiosis?

Answer 6

4

Question 7

When do homologous chromosomes connect with each other and start crossover?

Answer 7

Prophase I

Question 8

Independent orientation of chromosomes

Answer 8

The idea that one set of chromosomes will line up independent from all other sets of chromosomes

Question 9

A mistake in meiosis where one chromosome doesn’t separate properly is called what?

Answer 9

Nondisjunction

Question 10

S Phase

Answer 10

The phase of a cell cycle DNA synthesis occurs

Question 11

Cytokinesis

Answer 11

When a cell divides in two

Question 12

Checkpoints

Answer 12

Places in the cell cycle where the process can be delayed until certain conditions are met (or indefinitely)

Question 13

The Centrosome contains _______to make the spindle for cell division.

Answer 13

Microtubules

Question 14

Allele

Answer 14

Alternative forms of a gene containing the specific instructions to produce a phenotype

Question 15

Fertilization

Answer 15

when sperm and egg meet

Question 16

Autosomes

Answer 16

non-sex chromosomes are called

Question 17

Which type of reproduction involves gametes?

Answer 17

Sexual

Question 18

Name the three sub-phases of interphase

Answer 18

G1, S, G2

Question 19

In normal cells, there will be division until a single layer is produced. This is called ______ dependence.

Answer 19

Density

Question 20

Why is a cell plate necessary for cytokineses in plants and not animals?

Answer 20

It has a cell wall

Question 21

A particular place on a chromosome which has instructions for a protein is called a ______?

Answer 21

Locus

Question 22

During what phase of meiosis do sister chromatids line up together?

Answer 22

metaphase II

Question 23

In what phase do the sister chromatids pull apart?

Answer 23

Anaphase

Question 24

The “x” shaped sites of crossover are called ______?

Answer 24

Chiasmata

Question 25

If you line up a person’s chromosomes, you are doing a _____?

Answer 25

Karyotype

Question 26

In what phase does a cell spend most of its time?

Answer 26

Interphase

Question 27

Chromatin

Answer 27

Chromosomes which are loosely spread apart and are therefore not clearly visible

Question 28

Anchorage Dependence

Answer 28

Cells will only divide when they are attached to a surface