The B locus in dogs controls whether the dog is liver. Liver is recessive (b), so a dog needs two copies of the allele in order to be liver. If a dog is bb on the B locus then any and all black in its coat will become a brownish colour. Bb and BB have no effect.
Micro: Mini, small, tiny. Micro is also a term used in the RTS Starcraft, as a term for modified unit control. Micro can also refer to the descriptions of micro-organisms. Micro as a unit of measurement is defined as: One millionth..
Definition of 'microcosm'. microcosm. A microcosm is a small society, place, or activity which has all the typical features of a much larger one and so seems like a smaller version of it. Kitchell says the city was a microcosm of all American culture during the '60s.