Two siamese and three persian cats survive a shipwreck and are carried on driftwood to a previously uninhabited tropical island. all five cats have normal ears, but one carries the recessive allele f or folded ears (his genotype is ff). a) calculate the frequencies of alleles f and f in the cat population of this island. b) if you assume hardy-weinberg equilibrium for these alleles (admittedly very improbable), calculate the number of cats you would expect to have folded ears when the island population reaches 20,000?