In an alien species, alleles X and T are co-dominantly expressed. Allele X codes for red fur and allele T codes for white fur. A third allele, W, codes for black fur and is recessive. If a black furred alien mates with a pink furred alien, what fur colours can their offspring have?
A) Red, White and Black
B) Pink and Black
C) Pink, Black and Grey
D) Red and White
Answer: D