What would you expect to find in all organisms?

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

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