Genetics

Question 1

Describe the structure of DNA

Answer 1

DNA is a double stranded molecule made up of two chains of Nucleotides.
Each nucleotide is made up of a sugar, a phosphate group and a base.
The base of each nucleotide is connected to eachother by the sugar. The two chains are twisted into a double helix shape.

Question 2

What is the function of DNA

Answer 2

DNA carries information that determines all the biological activities of an organism. This information is passed through generations.
The key to how information is kept is stored within the four bases.

Question 3

What are the four bases in DNA

Answer 3

Adenine
Guanine
Thymine
Cytosine

Question 4

Describe the structure of chromosomes

Answer 4

Chromosomes are stored within the nucleus of cells.
An average human has 23 pairs of chromosomes. 1 of each pair is inherited from the mother, the other of each pair is inherited from the father.