E) all of the above. 12) Describe a chemical test for distinguishing terminal alkynes from internal ones. 13) 2-Methylhex-3-yne can be prepared by the reaction of an alkynide with an alkyl halide.
Jeffreys, Alec John. 1/9/1950 â ENGLISH GENETICIST. Alec John Jeffreys is a geneticist who is best known for the introduction of DNA analysis to forensic science. He discovered one of the most important tools for identifying human beings, genetic fingerprinting. This procedure analyzes each individual's genetic code.
While trace evidence like fingerprints and footprints may not survive a fire, DNA typically does because it can withstand high temperatures, said Lawrence Kobilinsky, a professor of forensic science and chairman of the Department of Sciences at John Jay.