In a population of sea otters, the frequency of the alpha allele at locus y6 is 0.8. if the population has 400 individuals, what is the expected number of alpha alleles in that population?
a. 320
b. 400
c. 480
d. 640
e. 800

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures