The DNA from two different species can often be distinguished by a difference in the ___________.
(a) ratio of A + T to G + C.
(b) ratio of A + G to C + T.
(c) ratio of sugar to phosphate.
(d) presence of bases other than A, G, C, and T.
Answer: A
The DNA from two different species can often be distinguished by a difference in the ___________.
(a) ratio of A + T to G + C.
(b) ratio of A + G to C + T.
(c) ratio of sugar to phosphate.
(d) presence of bases other than A, G, C, and T.
Answer: A