Problem:
Two pure breeding flowers are crossed, Pink and purple. The F1 generation are all purple. The F2 generation comes out with a 7:4:3:2 ratio of purple:pink:rose:orange
Required:
Question: What is going on here?
Question: How many genes, and alles?
Question: Diagram a biochemical pathway for the sythesis of the flower pigments.
Could anyone help me please?