The himalayan allele in rabbits produces dark fur at the extremities of the body—on the nose, ears, and feet. The dark pigment develops, however, only when a rabbit is reared at a temperature of 25°C or lower; if a Himalayan rabbit is reared at 30°C, no dark patches develop. What does this exemplify?
A、dominance;
B、discontinuous characteristic;
C、genetic imprinting;
D、phenocopy;
E、temperature-sensitive allele
发布时间:2025-03-01 22:39:55