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Determining genotypes

Determine the genotypes of the parent tomato plants if a cross between two red produces a ratio of 3 red: 1 yellow offspring. Show the Punnett square. Use the letter R.
Question asked by: Montte1

Asked on: 21 Feb 2011

A punnett square is a simple diagram that predicts the outcome and looks like this:

A a
A AA Aa

a Aa aa

By: knowitall
Replied at: 06 Mar 2011
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genotypes  determining  

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