"And so with characters generally. Many will blend and many others will not. When they will not blend, then the appearence is still less a guide to the real hereditary qualities, and under these circumstances it is little or no index to what will happen when the mixture is bred. This fact was long a great stumbling -block to breeders, involving the business of improvement in unfortunate and as we now know, unnecessary mystery."
Silver Colour Suppose that a breeder has a sil,er fox, which, being
Mendelian recessive, always breeds true, and he chooses a pure type Recessive to
Red of red fox for a mate, being careful in order to secure pureness of type to obtain the red fox from a district where no melanism exists. Let the red fox be denoted by R. R. and the black or silver fox by B. B. (As to results, the sexes are equal in influence.)
R.R. + B.B.