Ablue alien and a green alien mate, and produce 1,000 offspring that are blue, another alien couple who share the same genotypes and phenotype as the first couple also mate with another one another, matings between the blue offspring produce 75% blue and 25% green offspring.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.