Which describes the mating is organisms that have different homozygous alleles for a single trait?

a: monohybrid cross
b: dihybird cross
c: homozygous cross
d: heterozygous cross

answer; the correct answer is desert plants;

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.