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..
Switch to new thesaurus. micro-organism. organism, being - a living thing that has (or can develop) the ability to act or function independently. animal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement. plant life, flora, plant - (botany) a living organism lacking the power of locomotion. monad - (biology) a single-celled microorganism (especially a flagellate protozoan)