19. which statement is true about energy in an
ecosystem?
a. energy for most ecosystems originates from
the sun.
b. energy most often is released as light from
an ecosystem.
c. energy flows from heterotrophs to autotrophs.
d. energy levels increase toward the top of the
food chain.

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