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DNA Structure and Function

Total questions: 12

Worksheet time: 4mins

Name
Class
Date
1.

Why is DNA called the blueprint of life?

a)

it contains genetic information which is important for trait inheritance

b)

it contains unwanted traits that could be inherited

c)

it holds the instructions for an organism's or each cell's development and reproduction

d)

all of the above

2.

How many sets of chromosomes do humans have?

a)

13

b)

23

c)

33

d)

43

3.

Identical twins have exactly the same traits because...

a)

they have exactly the same genes

b)

they have exactly the same mother

c)

they have exactly the same father

d)

they have exactly the same traits

4.

Who is the father of modern genetics?

a)

James Watson

b)

Charles Darwin

c)

Gregor Mendel

d)

Herb Boyer

5.

Genes are found in

a)

cytoplasm

b)

chromosome

c)

mitochondria

d)

ribosome

6.

What is the sex cell for females

a)

XX

b)

XY

c)

YX

d)

YY

7.

A change in the DNA sequence is called a

a)

replication

b)

translation

c)

multiplication

d)

mutation

8.

The proteins found in DNA are

a)

adenine, thymine, chromatin, guanine

b)

adenine, thymine, cytosine, guavanine

c)

adenine, thymine, cytosine, guanine

d)

adenosine, thymine, cytosine, guanine

9.

Most mutations in the DNA are considered

a)

harmful

b)

beneficial

c)

no effect

d)

unbelievable

10.

The DNA shape is

a)

rectangular

b)

circular

c)

triangular

d)

spiral

11.

DNA directs the sequencing of

a)

amino acids

b)

fats

c)

ribosomes

d)

traits

12.

The protein adenosine is paired with

a)

thymine

b)

guanine

c)

cytosine

d)

all of the above