"passive refilling of the heart occurs during which phase of the cardiac cycle? "

Free brainliest! what is a characteistic of the american stradfordshire?

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

Vessels draining the myocardium of the heart, open primarily ,into which chamber?