The Best Technique for Determining on Which Chromosome a Specific

The best technique for determining on which chromosome a specific human gene is located would probably involve

A) digestion of total human DNA with restriction endonucleases, separation of fragments by gel electrophoresis and hybridization with a labeled gene probe.
B) somatic cell hybridization.
C) isolation of fetal messenger RNA and in vitro translation.
D) None of the above techniques could yield such information.