* Purebred what? We need to know the coat color of the purebred cat. Is it black, white, or something else like tabby or calico?
* Dominant/Recessive: We need to know if black fur is dominant or recessive to white fur. This is important because it determines the inheritance pattern.
Here are some possible scenarios:
Scenario 1: Purebred Black Cat (Black Dominant)
* If black is dominant and the purebred cat is black, then it must carry two black alleles (BB).
* The black cat carrying the white allele would be Bb.
* Offspring:
* BB x Bb = 50% BB (black) and 50% Bb (black)
* All offspring would be black.
Scenario 2: Purebred White Cat (White Dominant)
* If white is dominant and the purebred cat is white, then it must carry two white alleles (WW).
* The black cat carrying the white allele would be Bb.
* Offspring:
* WW x Bb = 50% WB (white) and 50% WB (white)
* All offspring would be white.
Scenario 3: Purebred Cat with Different Coat Color (Black and White are Codominant)
* If black and white are codominant, then the offspring will inherit the traits of both parents.
* The black cat carrying the white allele would be Bb.
* Offspring:
* The offspring could be black (BB), white (WW), or a mixture of black and white (BW), depending on the specific alleles inherited from the purebred cat.
To answer your question accurately, please provide the following information:
* What is the coat color of the purebred cat?
* Is black fur dominant or recessive to white fur?