The hair follicle melanin is synthesized by menalocyte which can be divided into three steps of melanic synthesis , diversion and thawing , each disorder of which will hinder the melanic metabolism .
Mr Allen and his colleagues made one other observation . Some species of cat regularly produce melanic forms & the so-called black panther ( actually a melanic jaguar ) being the most familiar .
In 2004 , the last year in which the researchers could gather enough ladybugs to see a significant trend , they found that only 20 % of the ladybugs in any area were melanic .
The research presents that the melanic mudstones are not very thick and organic carbon index is low in this member , but the type of organic matter is good with the features of high hydrocarbon generation potential and early hydrocarbon generation time .
