According to the current definition of a species, which of the following is an example of a species?
select one:
a. two rehesus monkeys with slightly different physical features mate to produce fertile offspring.
b. in a population of frogs, one type of frog mates in early april while the other mates in late june
c. a coyote and wolf housed together in a zoo pen
d. a donkey and a horse mate to produce a mule that is sterile and is unable to produce babies

In sweet pea, gene c is responsible for color production and gene p is responsible for the purple color pigment. both of them are located on two different loci on different chromosomes. the flowers will be purple only when the plant has the genotypes as c_p_. no color will be produced with genotypes: ccpp, ccpp, ccpp, ccpp. thus, gene c controls the expression of gene p. what pattern of inheritance is exhibited here? a. pleiotropy b. epistasis c. multiple alleles