Se cruzan un raton macho negro y una hembra marron, nacieron 4 ratones negros y 4 marrones, ¿cual es el genotipo del progenitor masculino?

compost can be added to topsoil as a:

pesticide

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101