Question

a single base pair change can alter the phenotype of a character justify​

Answer 1

Answer:

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Explanation:

The term point mutation originated before the advent of DNA sequencing and therefore before it was routinely possible to discover the molecular basis for a mutational event. Nowadays, point mutations typically refer to alterations of single base pairs of DNA or to a small number of adjacent base pairs. In this section, we shall consider the effect of such changes at the phenotypic level. Point mutations are classified in molecular terms