Topic 6 - DNA

Question 1

What is bigger a gene or a genome?

Answer 1

Genome

Question 2

What is a genome?

Answer 2

A set of genetic material that includes genes.

Question 3

How many strands make up a section of DNA?

Answer 3

Two

Question 4

What shape does DNA form?

Answer 4

Double-helix

Question 5

What is the importance of genes in the production of protein?

Answer 5

They sequence to form amino acids which are put together to produce a specific protein.

Question 6

How might studying the human genome be beneficial in medicine production?

Answer 6

They can identify diseases linked to specific genes.

Question 7

Scientists believe human descended from a common ancestor in Africa. How might studying the human genome helped to trace the migration of humans since they first left Africa? (2 marks)

Answer 7

Small differences arise when different population migrate away from each other.
By analysing these, we can work out where the new population splits.