A) number of chromosome
B) nucleotide sequence of gene
C) chromosome as a whole
D) arrangement of gene
Correct Answer: B
Solution :
When heritable alterations occur in a very small segment of DNA molecule, i.e. single nucleotide or nucleotide pair, this type of mutation is called point mutation. This mutation leads to the change in nucleotide sequence of a gene.You need to login to perform this action.
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