AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

GENE MUTATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Normal-GAG-CTC-GAC-AGAMutantGAG-CTA-CCA-CAG-A
A
no mutation
B
point mutation or substitution
C
insertion
D
deletion
Explanation: 

Detailed explanation-1: -Point mutations are of two types: > Transitions: This mutation occurs when pyrimidine bases are substituted with the pyrimidine bases or purine bases are substituted with the purine bases. For example, Adenine to Guanine (A to G) or Cytosine to Thymine (C to T).

Detailed explanation-2: -Types of Mutations There are three types of DNA Mutations: base substitutions, deletions and insertions.

Detailed explanation-3: -Definition. A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.

Detailed explanation-4: -Answer: This is an example of a deletion mutation.

There is 1 question to complete.