Homologous

corresponding or alike in certain critical attributes

Description

 * 1) [Biology] denoting organs or parts corresponding in evolutionary origin and similar to some extent in structure, but not necessarily similar in function
 * 2) [Chemistry] denoting a single chemical series, differing by fixed increments
 * 3) [Genetics] denoting chromosomes or chromosome parts identical with respect to their construction and genetic content
 * 4) [Immunology] denoting serum or tissue derived from members of a single species, or an antibody with respect to the antigen that produced it