This is the normal sequence on a dna
A—C—T—G—G—A—T
Which one is a substitution?
a)A—G—T—G—G—A—T
b)A—C—T—G—A—T
c)A—C—U—G—G—A—U
d)A—C—T—G—C—G—A—T
I think it is c
A—C—T—G—G—A—T
Which one is a substitution?
a)A—G—T—G—G—A—T
b)A—C—T—G—A—T
c)A—C—U—G—G—A—U
d)A—C—T—G—C—G—A—T
I think it is c