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..
macro-. a combining form meaning âlargeâ (macromolecule), âabnormally largeâ (macrocyte), âmajor, significantâ (macroevolution), ânot local, extending over a broad areaâ (macrocosm), âvisible to the naked eyeâ (macrophyte); often contrasting with micro- .