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Inheritance 101 (Triple Award)

Total questions: 14

Worksheet time: 12mins

Name
Class
Date
1.

Which cell organelle contains genetic information ?

(a)  

2.

Name a human cell that does not contain a nucleus.

(a)  

3.

How many chromosomes do human body cells have ?

(Type the number)

(a)  

4.

How many chromosomes do human sex cells have ?

(Type the number)

(a)  

5.

What are sex cells also known as ?

(a)  

6.

A pair of chromosomes is known as a ....

a)

Homozygous pair

b)

Homo sapien pair

c)

Homologous pair

d)

Homogeneous pair

7.

Which molecule are chromosomes made out of ?

(a)  

8.

What is a gene ?

a)

A section of a DNA molecule that controls a single characteristic

b)

A section of a chromosome that codes for a single DNA molecule

c)

A section of a protein molecule that codes for a single DNA molecule

d)

A section of a DNA molecule that codes for a single protein

9.

What term is used to describe your complete set of genetic information ?

(a)  

10.

A DNA molecule is made up of smaller units, which each contain a sugar, a phosphate and a base. What are these smaller units called ?

(a)  

11.

How many different bases are there ?

(Type the number)

(a)  

12.

What do the letters A, T, C and G stand for ?

a)

Adenosine, Thymine, Cytosine and Guanine

b)

Adenine, Thymine, Cytosine and Guanine

c)

Adenine, Thiamine, Cytosine and Guanine

d)

Adenosine, Thiamine, Cytosine and Guanine

13.

Which are the correct complementary base pairs ?

a)

A = T and C = G

b)

A = C and T = G

c)

A = G and T = C

14.

Why is DNA known as a DOUBLE helix ?

a)

There are two copies of each chromosome in every cell

b)

There are two sets of complementary base pairs

c)

There are two polynucleotide strands in each DNA molecule

d)

It is named after the two scientists who discovered the structure of DNA (James Watson & Francis Crick)