A) sinoatrial node, atrioventricular node, atrioventricular bundle, bundle branches, Purkinje fibers.
There are three types of dominance. Incomplete, complete, and co-dominance. Complete dominance is when the dominant trait completely masks the recessive. incomplete dominance is when the dominant allele doesn’t completely mask the recessive allele, sometimes resulting in blending. Co-dominance occurs when both alleles are expressed at the same time.
No, the correct answer is Ecosystem