DNA

Question 1

What is DNA?

Answer 1

DNA is the complex chemical that carries genetic information.

Question 2

Where is DNA found?

Answer 2

DNA is contained in chromosomes, which are found in the nucleus of most cells.

Question 3

What are alleles?

Answer 3

Different forms of the same gene.

Question 4

What do the bases in the DNA molecule carry?

Answer 4

The different codes needed for different amino acids.

Question 5

What are genetic diseases?

Answer 5

Diseases inherited from our parents through genes.

Question 6

What is a genome?

Answer 6

The genetic information in an organism.

Question 7

What are the aims of the Human Genome Project?

Answer 7

To work out the order or sequence of all the three billion base pairs in the human genome.
To identify all the genes.
To develop faster methods for sequencing DNA.

Question 8

What does DNA exist as?

Answer 8

Two helical strands held together through the base pairs by hydrogen bonding.