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Topic 7 Lessons 3-5

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Adenine, Thymine, Guanine and Cytosine are the four _________ bases in DNA.

a)

nitrogen

b)

carbon

c)

oxygen

d)

iron

2.

The genetic material that carries information about an organism and is passed from parent to offspring is called...

a)

mRNA

b)

RNA

c)

DNA

d)

tRNA

3.

True or False...

Cystic Fibrosis is an acquired mutation.

a)

False

b)

True

4.

The change in any DNA or chromosome is called a...

a)

protein synthesis

b)

sequence

c)

variation

d)

mutation

5.

The two chromosomes found in a human male are XX.

a)

True

b)

False

6.

A negative to genetic information being used is that it could be used to discriminate against individuals.

a)

False

b)

True

7.

A positive to genetic information being used is that you can identify individuals and study diseases.

a)

false

b)

true

8.

What do you call a difference between individuals of the same species?

a)

mutation

b)

sequence

c)

variation

d)

protein synthesis

9.

What process causes amino acids to link up to form proteins?

a)

sequencing

b)

photosynthesis

c)

mRNA

d)

protein synthesis

10.

The two chromosomes found in a human female are XY.

a)

true

b)

false

11.

In each cell of the human body, there are _________ of chromosomes.

a)

46 pairs

b)

23 pairs

c)

17 pairs

d)

32 pairs

12.

Why is disease more damaging to cloned crops?

a)

because the population is so small

b)

there is too little genetic diversity, so all are susceptible to disease

c)

because the population is too large

13.

In each human cell, how many chromosomes are autosomal?

a)

23 pairs

b)

46 pairs

c)

17 pairs

d)

22 pairs

14.

Cows bred to produce more milk is an example of selective breeding.

a)

false

b)

true

15.

DNA strands come in what shape?

a)

double zipper

b)

double helix

c)

double ladder

d)

double spiral

16.

Individuals in the same species have many different variations of the same traits.

a)

false

b)

true

17.

All mutations in DNA are inherited from a parent.

a)

true

b)

false

18.

Transferring a gene from the DNA of one organism into another is...

a)

gene therapy

b)

manipulating

c)

protein synthesis

d)

genetic engineering

19.

Changing a gene to treat a medical condition is...

a)

protein synthesis

b)

genetic engineering

c)

gene therapy

d)

manipulating

20.

The complete set of genetic information that an organism carries in its DNA is called a ___________.

a)

genome

b)

DNA

c)

RNA

d)

clone