Choose the best answer from the list below.Not all of the answers will be used. a.alleles b.de novo mutations c.point mutations d.nucleases e.DNA polymerase f.Tatum and Beadle g.Gregor Mendel 1.___one-gene-one-enzyme hypothesis 2.___gene variants 3.___cut DNA at specific location 4.___unique DNA variants that exist in a child but neither of its parents. 5.___DNA replication