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% of traits passed to progeny

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The average pea pod contains about 7 peas. The gene for smooth peas is dominant over the gene for wrinkled peas. If heterozygous pea pods grown from smooth peas are self-fertilized and all of the pods have 7 peas, what percentage of the pods will have:

a) all smooth peas?
b) 5 smooth and 2 wrinkled peas?

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I think this is kind of a trick question because the usual definition of dominant/recessive applies to all the parts of an organism (with the exception of haploid gametes).

so when you cross a heterozygote with a heterozygote, you'll see both the dominant and recessive phenotypes in ...

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