Two identical twins will not have same -: (A) Fingerprints, (B) Iris color, (C) DNA copies, (D) Blood group
Answer is A. There is one chance in 64000 millions of two persons having same fingerprints. It is always unique for each person. ref : Dr.K.S.Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27th edition pg. 47.