What type of mutation is pictured, and why is it extremely harmful?

Normal strand: GTC CAT CTG ATT ACG GCA
Mutated strand: GTC CAT CGA TTA CGG CA

Nh3 +02-no + h20 is unbalanced what is the balanced equation

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred