Homework Help: PLEASE help...i don't understand how to do this

Posted by Kellie on Monday, October 15, 2007 at 9:16pm.

n tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has signed a contract with a large seed company to provide pure red seeds and pure yellow seeds. the do not want hybrids. How can the farmer determine if his red tomatoes are pure or hybrid. The farmer can't see the genotype except for one phenotype.

PLEASE help...i don't understand how to do this - Anonymous, Monday, October 15, 2007 at 9:34pm
Let "F" represent red fruit
Let "f" represent yellow fruit

___________|________F_______|_____f______
______F____|________FF______|_____Ff_____
______f____|________Ff______|_____ff_____

He can determine it by using the chart above

He can determine what's a pure or hybrid if all fruits' colour are one colour or not...

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