The answer is A ... mutation
Answer:
A thick, dense fur, keeps the fox warm during winter, by preventing excessive loss of temperature and body heat when it is cold.
It is the jelly-like fluid in cell - holds all other organelles in place - it is like Jell-O. nucleus. - in both plant and animal cells - controls and directs all of the cells activities - protects a cells genetic material called chromatin - chromatin contains all the instructions for what proteins it should make - protected by the nuclear membrane
Well From What I Know If They Have Normal Fur That Means Someone Along There Family Line Has Albino Fur Probably There Parents Or There Parents Parents