Refer to the information below to answer Question 33.
The diagram shows a crossing between a homozygous black mouse and a homozygous white mouse. The F1-generation was all black.
Question 33 (6 Marks)
Use the symbols B and b for the alleles of fur colour and show diagrammatically a genetic cross between the original black male and white female and between mouse 1 and mouse 3 to show the possible genotypes and phenotypes ( F1 and F2).