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BIOLOGY

JAMB 2015 - Question 16

Biology 2015 JAMB Past Questions - Question 16: accurate identification of a rapist can be carried out by conducting a

Choose the most appropriate option for the gap .

accurate identification of a rapist can be carried out by conducting a

A: RNA analysis.

B: blood group test

C: behavioural traits test.

D: DNA analysis.

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Correct Answer

Explanation

DNA (deoxyribonucleic acid) is see in the genes carried by the chromosomes, found in the nucleus. of the spermatozoon of a man. If spermatozoon is extracted from the vagina of the girl alleged to have been raped and tested and the result rhymes with that obtained from a test carried on the spermatozoon extracted from the penis of an accused man, the accused become guilty of the offense (rape). the most accurate result of detecting rapist is a combination of blood group and DNA analysis.