Chapter 6 Review

Chromosomes&Mitosis

1

Term meaning sex cells (sperm & eggs)

2

GAMETES

The chromosomes in your body

a. exist in 23 pairs in all cells but gametes.

b. each contain thousands of genesc. form right before cells divide.d. All of the above

3

The chromosomes in your body

a. exist in 23 pairs in all cells but gametes.

b. each contain thousands of genesc. form right before cells divide.d. All of the above

4

The term ______________ is used for a cell that is 2n.

5

diploid

Specialized microtubules make up the a. spindle.b. chromosomes.c. gametes.d. zygote.

6

Specialized microtubules make up the a. spindle.b. chromosomes.c. gametes.d. zygote.

7

Put these in the correct order starting with interphase.

8

3, 2, 1, 5, 4

Cell 2 is in what phase?Cell 5 is in what phase?

9

prophaseanaphase

How many chromosomes total?What is the sex?What is the disorder? 10

47male

Trisomy 18 (Edward’s)

In humans, gametes contain:

a. 22 autosomes and 1 sex chromosome.b. 1 autosome and 22 sex chromosomes.c. 45 autosomes and 1 sex chromosome.d. 1 autosome and 45 sex chromosomes.

11

In humans, gametes contain:

a. 22 autosomes and 1 sex chromosome.b. 1 autosome and 22 sex chromosomes.c. 45 autosomes and 1 sex chromosome.d. 1 autosome and 45 sex chromosomes.

12

How many chromosomes are in the body cells of an organism that has a diploid number of 24?

13

24

A ____________ is formed when a sperm fertilizes an egg.

14

zygote

The process by which the nucleus of a cell divides is called _________________.

15

MITOSIS

1

2

3

4

Identify the mutations in #2 & #4,16

duplication

translocation

1

2

17

centromere

chromatids

The organelles that makes the spindle are the ____________.

18

centrioles