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Section 8-1 Chromosomes

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What molecule in cells stores the genetic information for an organism?

a)

nucleotide

b)

chromosome

c)

chromatid

d)

centromere

2.

DNA is built of billions of sub-units called

a)

nucleotide

b)

chromosome

c)

ribosome

d)

karyotype

3.

Protein which allows the strand of DNA to coil

a)

non-histone

b)

haploid

c)

diploid

d)

histone

4.

Protein that control activity of coiling DNA

a)

histone

b)

haploid

c)

non-histone

d)

diploid

5.

Chromosomes consist of two identical halfs called

a)

chromosome

b)

chromatid

c)

centromere

d)

chromatin

6.

Were the equal halfs of chromosomes are joined together

a)

chromatid

b)

chromatin

c)

chromosome

d)

centromere

7.

less tightly coiled DNA proteins complex

a)

chromatid

b)

chromosome

c)

centromere

d)

chromatin

8.

How many chromosomes do prokaryotes have?

a)

2

b)

4

c)

1

d)

3

9.

How many chromosomes does a human organism have?

a)

46

b)

23

c)

78

d)

41

10.

How many chromosomes does a dog organism have?

a)

39

b)

78

c)

23

d)

46

11.

What are TWO types of chromosomes?

a)

sex chromosomes

b)

autosomes

c)

homologous chromosome

d)

karyotype

12.

The xy chromosome combination determines

a)

human male

b)

human female

13.

The xx chromosome combination determines

a)

human female

b)

human male

14.

any chromosome that us not a sex chromosome

a)

sex chromosome

b)

karyotype

c)

autosome

d)

homologous chromosome

15.

has both chromosomes in a pair

a)

centromere

b)

diploid

c)

chromatid

d)

haploid

16.

has one half of the chromosomes number

a)

haploid

b)

chromatid

c)

diploid

d)

karyotype

17.

what is the symbol commonly used for diploid cells?

a)

1N

b)

1M

c)

2N

d)

2M

18.

What is the symbol commonly used for haploid cells?

a)

1N

b)

2M

c)

1M

d)

2N

19.

A display of the chromosomes pairs of a cell arranged by size and shape

a)

haploid

b)

karyotype

c)

aytosome

d)

histone

20.

Chromosomes that have the same sequence of genes and the same structure

a)

karyotype

b)

chromosome

c)

diploid

d)

homologous