A wasu lokuta, musamman ma a baya lokacin da sadarwa ta fi wuya, masu rarraba sunaye sun ba da sunaye biyu daban-daban ga kwayoyin halitta daban-daban da aka gano daga baya a matsayin nau'in iri ɗaya. Lokacin da aka gano nau'in jinsuna biyu, ana ba da tsohuwar nau'in nau'in nau'i kuma ana kiyaye shi, kuma ana ɗaukar sabon sunan a matsayin ƙaramin synonym, wani tsari da ake kira synonymisation. Rarraba haraji zuwa, sau da yawa, sabbin haraji ana kiransa rarrabuwa. Ana kiran masu rarraba haraji da "mutane" ko "rarrabuwa" ta abokan aikinsu, dangane da yadda suke kusanci abubuwan da suka dace ko kuma bambance-bambance tsakanin kwayoyin halitta daban-daban. Tambaya: Menene dalilin da aka ba da sunan kwayoyin halitta guda ɗaya?
sadarwa ta fi wuya