Which condition is a cause of impotency in men? undescended testicles that persist beyond puberty the inability of the penis to become erect a vasectomy, which is a surgical procedure to cut the vas deferens a low production of sperm in the testes the absence of the vas deferens in a male from birth

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