The organ system that consists of ductless glands that secrete hormones and the molecular receptors on target cells that respond to the hormones is known as the
(a) digestive system.
(b) respiratory system.
(c) circulatory system.
(d) endocrine system.
(e) nervous system.

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and colour.

explanation:

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.