EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mutations are a change in what?
A
DNA
B
tRNA
C
genotype
D
phenotype
Explanation: 

Detailed explanation-1: -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-2: -A gene variant is a permanent change in the DNA sequence that makes up a gene. This type of genetic change used to be known as a gene mutation, but because changes in DNA do not always cause disease, it is thought that gene variant is a more accurate term.

Detailed explanation-3: -There are three types of DNA Mutations: base substitutions, deletions and insertions.

There is 1 question to complete.