Plz fast. i don"t want to do summer

which represents a deletion of a section of the dna shown here?

a—c—t—g—g—a—t

a.

a—c—t—a—t

b.

a—c—t—c—c—t—t

c.

a—c—t—c—g—a—t

d.

a—t—c—t—g—g—a—t

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.