The answer is restriction enzymes. These staggered ends are important in recombination of DNA since they allow DNA strands with complementary sticky ends to be easily joined into one piece by DNA ligase. Other restriction enzymes produce blunt ends. These are harder to join by DNA ligase. An example of a restriction ezyme if EcoRI
The answer should be D) Behavioral.
Process of elimination, cant be A) X- ray cause that for screen shots on what is inside u, autism is a mental disorder, u cant see it.
Cant be B) cause u cant detect mental disorders through a blood test.
Cant be C) cause that is measuring weight and height.
I have no idea what that means but the answer is b