i'm sorry but we can't answer this without a picture
c. codominantexplanation; codominance is a phenomenon where alleles of a particular gene pair in a heterozygous are fully expressed. the results is a an offspring with a phenotypes which is neither recessive nor dominant. an example of codominance is the abo blood group system. an individual with ab blood, which means that both the a allele and the b allele are equally expressed.
the correct answer would be d) cardiovascular system.
the cardiovascular system of the body consists of pumping organ that is, heart, blood vessels (arteries, veins, and capillaries), and transporting medium which is blood.
it is the main system which in transportation of oxygen, nutrients, and hormones throughout the body. in addition, it in the removal of metabolic wastes such as carbon dioxide and nitrogenous wastes.