Question

Which of the following mutations would be most likely to have a harmful effect on an organism?(1 point)
Responses

a substitution of a thymine for an adenine
a substitution of a thymine for an adenine

there is not enough information to know whether a mutation would be harmful
there is not enough information to know whether a mutation would be harmful

a deletion of 3 bases near the center of a gene
a deletion of 3 bases near the center of a gene

all mutations have a harmful effect on organisms

Answer 1

a deletion of 3 bases near the center of a gene