Mutations

Question 1

How a mutation can result in formation of non functional enzyme

Answer 1

Mutation changes base sequence

Changing primary sequence

Changing tertiary sequence

As the bonds formed are in different places

Question 2

Two types of errors

Answer 2

Substitution
One base substituted with another

Deletion
One base deleted

Question 3

Mutagenic agents

Answer 3

Things that cause an increase in rate of mutations

Ultra violet radiation
Smoking
Radiation

Question 4

What is chromosome non disjunction

Answer 4

Where the chromosomes fail to separate properly

Leads to Down syndrome as people have an extra copy of chromosome