A mutation in DNA molecule involving the replacement of one nucleotide base pair with another is called a :

A mutation in DNA molecule involing replacement of one nucleiotide base pair with another is

A mutation in DNA molecule involing replacement of one nucleiotide base pair with another is

Replacement of purrine base by another purine base is called :

Type of gene mutation, which involves the replacement of purine with another type of base is

When a mutational event leads to the replacement of one codon for another calling for the same amino acid, the resulting mutation is known as

When a mutational event leads to the replacement of one codon for another calling for the same amino acid, the resulting mutation is known as

In a DNA molecule adenine of one strand base pair with ………. on the other strand

In a DNA molecule adenine of one strand base pair with ………. on the other strand

When a mutation is limited to the substitution of one nucleotide pair of DNA, it is called as