Is it possible for an organism to have a recessive phenotype with a heterozygous genotype?”

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Is there any solid scientific evidence that humans have been cloned?

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.