Movement of lithospheric plates created isolation between populations and with isolation comes different mutations and lineages which is how evolution occurs. (This is called allopatric speciation!).
Answer: IM NOT SHORE but when you have to BB its 100% black and the parent of that one will pass on B always. the white mouse is bb this is a resistive trait.
Explanation:i hope i help you sorry if it didnt but i tired my best
IDK.
I don't know.
I don't understand the question.