Saturday, August 21, 2010

Parents are Ppxpp what would the offspring look like? How many are pure and how many are hybrid?

I know how to do the punnet square, but I am unsure about the pure and hybrids.Parents are Ppxpp what would the offspring look like? How many are pure and how many are hybrid?
Does the question you're trying to answer specifically state pure and hybrid or does it use terms like Homozygotic and heterozygotic?





If it's the latter, then any organism that is PP or pp would be homozygotic (or pure) and any organism that is Pp would be considered heterozygotic (or the hybrid).





Therefore, in a punnet square of:


p p


P


p





You'd have:





2 Pp


2 pp





Two heterozygotic and two that are homozgyous recessive

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