Di-Hybrid Crosses.

IB Biology: Di-Hybrid Crosses.

This lesson is a simple practice of genetics crosses using Punnett squares but with two unlinked genes at the same time. The method is a stepping stone on the path to understanding the more complex examples which come later. There is a quick powerpoint introduction followed by some genetics problems. As a plenary a review of examples of dihybrid problems in genetics concludes this lesson.How can we calculate ratios and...

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