Wednesday, April 1, 2009

How to do Punnett Squares

Let us start with Genetic Engineering - Punnett Square Tutorial

There are several methods to predict the likelyhood of inheriting a trait in children from parents. One of the most popular is the Punnett Square Method. This was invented by Reginald Punnett. 

You start by drawing a grid of two parallel and two perpendicular lines. Then you add the genotypes of the parent one on top and one on left. Then u just fill up the squares combining the gene of left parent and top parent. This gives the predicted frequencies of potential genotypes in the offspring. 

If you need a tutorial there is an excellent Punnett Square Tutorial, you should go through. Happy Exploring of Genotypes! 

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