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Chromosomes

Total questions: 10

Worksheet time: 16mins

Name
Class
Date
1.

Thread-like structures located inside the nucleus of animal and plant cells are called

(a)  

2.

DNA stands for

(a)  

3.

Chromosomes are made of what?

4 lines
4.

what does DNA contain?

4 lines
5.

DNA is wrapped around spool like proteins called

a)

hormones

b)

chemicals

c)

Histones

d)

enzymes

6.

Humans have ____________ pairs of chromosomes

a)

19

b)

23

c)

46

d)

25

7.

Persons with Down syndrome have an extra copy of Chromosome___

a)

3

b)

20

c)

21

d)

5

8.

Most bacteria have___________ DNA

a)

linear

b)

Specific

c)

rigid

d)

Circular

9.

For an organism to grow and function properly cells must constantly __________ to produce ________________

a)

divide, new cells

b)

repeat , die

c)

divide, copies

d)

copy, divide

10.

DNA is passed from

a)

offspring to parents

b)

Parents to offspring

c)

Offspring to offspring

d)

Parent to parent