If an allele makes up one half of the frequency of a population's allele for a given trait, its
allele frequency is
O 100 percent.
O 75 percent.
O 50 percent.
O4 percent.

Mr. piper is driving peter, roddy, and scott home from school. all of them want to ride in the front seat. how can he make a fair decision about who rides in the front seat?