In a species of rodent, fur colour may be black or brown and their tail length either long or short.

Question

A pair of rodents were crossed, and their progeny then allowed to interbreed. The result in the F2 were as follows:
29 with brown fur with long tails; 9 long tailed with black fur; 10 short tailed with brown fur; 3 short tailed with black fur;
Using the information provided, explain these results as fully as possible justifying your answers with written text and genetic diagrams (with Keys) to show your logic as you proceed backwards through the generations of rodents.

Answer 1

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