SB3j Gene Mutation

Question 1

Give examples of characteristics controlled by

multiple genes

Answer 1

Examples of characteristics controlled by multiple gene are skin color, eye color and weight.

Question 2

Describe some potential applications of mapping human genomes.

Answer 2

search for genes linked to different types of disease.
understand inherited disorders and their treatment.
trace human migration patterns from the past.

Question 3

Explain how a mutation can cause variation

Answer 3

Mutations can be inherited and therefore passed on from one individual to another. If a mutation causes a new phenotype that makes an organisms better suited to a particular environment