DNA Structure

Question 1

What does DNA stand for?

Answer 1

Deoxyribonucleic acid

Question 2

Whose DNA is not unique?

Answer 2

Twins!!!

Question 3

What is DNA made up of?
(Arranged in a spiral)

Answer 3

Double helix

Question 4

How many different DNA bases are there?

Answer 4

Over 3 billion

Question 5

Around how many genes make up humans?

Answer 5

23 000 genes

Question 6

What do you have two pairs of genes for?

Answer 6

You have two genes for ear shape and two for eye colour

Question 7

How many chromosomes do we inherit from our parents?

And how many do humans need?

Answer 7

We inherit 23 from our parents

We need 46 in total

Question 8

DNA makes up genes which make up chromosomes which make up genome

Answer 8

A good model for this is thinking about money. Pennies make up £1 coins which make up £5 notes which make up £20 notes

Question 9

When did scientists work out the structure of DNA?

Answer 9

1950s

Question 10

Which two scientists discovered the structure of DNA?

Answer 10

Francis crick and James Watson

Question 12

Who helped them by taking Photograph 51?

Answer 12

Rosalind Franklin

Question 13

Describe how genetic information is stored in living cells.

Answer 13

The DNA bases pair together: A-T, T-A, G-C and C-G.

Question 14

Describe how the structure of DNA was discovered.

Answer 14

‘X-ray diffraction images of DNA taken by Rosalind Franklin.

Question 15

Quiz score:

Answer 15

1. 6/10
   2.10/10