Mitosis and Meiosis

Question 1

What does a cut that is healed, a fingernail that has grown, and how your body has grown have in common?

Answer 1

Mitosis

Question 2

What is Mitosis?

Answer 2

A type of cell division.

Question 3

What would happen if your cells did not divide?

Answer 3

You wouldn’t grow.

Question 4

What is the process that makes sperm and egg cells called?

Answer 4

Meiosis

Question 5

What does Mitosis produce?

Answer 5

body cells

Question 6

What is the goal of Mitosis?

Answer 6

to make identical cells

Question 7

What is cancer?

Answer 7

uncontrolled cell growth

Question 8

Name three things that cells do during Interphase?

Answer 8

growth, DNA replications, and cell functions

Question 9

What percentage of the whole cell cycle does mitosis make up?

Answer 9

10%

Question 10

Where is DNA found?

Answer 10

Nucleas

Question 11

What are chromosomes?

Answer 11

made of DNA and protein

Question 12

How many chromosomes do humans have in the nuclei of their cells?

Answer 12

46

Question 13

We tend to count chromosomes by the number of _______________ present?

Answer 13

centromeres

Question 14

What does PMAT stand for?

Answer 14

Propahse, Metaphase, Anaphase, Telophase

Question 15

What are spindles?

Answer 15

fibers that help chromatids move to each pole

Question 16

What is Cytokinesis responsible for?

Answer 16

the final seperation of two cells

Question 17

List one reason why it is important to understand Mitosis?

Answer 17

Cancer

Question 18

How many phases does Mitosis have?

Answer 18

4

Question 19

When does DNA copy itself?

Answer 19

Interphase

Question 20

A cell with 12 chromosomes undergoes Mitosis, how many daughter cells are formed?

Answer 20

24

Question 21

What does Mitosis make ?

Answer 21

identical body cells

Question 22

What does Meiosis make?

Answer 22

sperm and egg cells

Question 23

How many chromosomes does a human sperm cell have?

Answer 23

23

Question 24

How many chromosomes does a human egg cell have?

Answer 24

23

Question 25

How many chromosomes are needed to allow a newly formed fertlized egg to develop into a human?

Answer 25

46

Question 26

What are gametes?

Answer 26

sperm and egg cells

Question 27

What must happen before meiosis can start?

Answer 27

Interphase

Question 28

What are chromosomes made up of?

Answer 28

DNA and protein

Question 29

What is a centromere?

Answer 29

circle that holds chromosomes together

Question 30

What are chromatids?

Answer 30

half of a chromosomes

Question 31

In Meiosis, how many times are you going to divide

Answer 31

2 times

Question 32

What does homologous mean?

Answer 32

Chromosomes are the same size, genes, and location

Question 33

When does crossing over happen?

Answer 33

Prophase 1

Question 34

What happens during crossing over?

Answer 34

they transfer genetic information back and fourth

Question 35

At the end of telophase 1 what do you have?

Answer 35

two new cells

Question 36

Does crossing over happen again in prophase 2?

Answer 36

no

Question 37

What does Cytokinesis do?

Answer 37

splits the cytoplasm

Question 38

Are the ending cells identical to the starting cells

Answer 38

no

Question 39

Are the ending cells identical to each other?

Answer 39

no

Question 40

What is nondisjunction?

Answer 40

to many or too little chromosomes

Question 41

What does 2n mean?

Answer 41

dipliod 2 sets of chromosomes

Question 42

During what phase of the cell cycle do the cells duplicate the chromosomes?

Answer 42

Interphase

Question 43

Crossing over can make for what?

Answer 43

recombinant chromosomes

Question 44

At the end of Cytokinesis in Meiosis 1 what do we end with?

Answer 44

two non- identical hapliod cells

Question 45

What do we end Meiosis 2 with?

Answer 45

four non identical gametes

Question 46

What does haploid mean?

Answer 46

half the number of chromosomes ( 23 )

Question 47

When a sperm and egg cell combine what does it result in?

Answer 47

a diploid cell