problem:
Two mutant, colorless strains of the (fictitious) haploid fungus Cyanomyces are crossed. The progeny consists of 50% wild-type (blue) and 50% mutant (colorless) spores.
Required:
Question 1: How can this result be explained?
Question 2: Based on your explanation in part (1), what is the predicted result of a cross between a blue and a colorless strain?
Include source of information for best answer.