February 20, 2017

Homework Help: Punnet Squares- Check my answer please.

Posted by soojung on Wednesday, October 8, 2008 at 11:04pm.

A species of clam shows incomplete dominance in the expression of its shell color. RR is the genotype for red shell, Rr is genotype for an orange shell, and rr is the genotype for the yellow shell. Predict the outcome of a cross between an orange shelled clam and a yellowed shelled clam.

So i would be crossing Rr X rr correct?

And then uhh I am not sure if this is correct too, so if you can check for me.

R r
r Rr rr
r Rr rr

Is that correct?

If it is correct, does this mean there will be 2 orange and 2 yellow because of it?

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