Why does adenine always pair with thymine and guanine always pair with cytosine? What two factors determine the base pairing rule?

a, b, c, or d?

Why does adenine always pair with thymine and guanine always pair with cytosine What two factors determine the base pairing rule a b c or d class=

Respuesta :

certain hydrogen bonds are formed so that A goes with T and G with C

I would say the answer is D.