Assume that k and m are two unlinked genes that affect hearing. the dominant k allele is necessary for hearing, and the dominant m allele causes deafness regardless of the other genes present. what fraction of the offspring of parents with the genotypes kkmm and kkmm will most likely be deaf? ** draw the punnet sqaure and explain the answer in detail. a) 1/4b) 3/8c) 1/2d) 5/8