Recessive Allele

1.Ted has F_ (F allele or f allele ?) Mary has the same F_ (F allele or f allele ?) so if Billy is ff , then he has to get a recessive f allele from each of his parents. Thus, Ted is Ff, and Mary is Ff also. Ted X Mary is Ff X Ff. ...

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... need help in answering and explaining: 1. Freckles are due to dominant alleles (F), and no freckles are due to recessive alleles (f). Ted and Mary both have freckles, but their son Billy has no freckles. ...

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For #9 you just need to draw the punnet square. Then or each possible allele combination check what is the phenotype. Then count the number of ... giving rise to the observed phenotype: - type of transmission (i.e. recessive/dominant or codominance) - gene linkage (i.e. are they on the same ...

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Steven, you are right that dominant alleles mask recessive ones in normal expression, but with genomic imprinting because it is parental specific it ignores ...

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... no albino phenotype aa-Albinism In genomic imprinting, it says that one allele is masked by the other one, but isn't that the same as the "Aa" ... And isn't that the case for most genes (that the dominant one masks the recessive one?) Thanks in advance for your replies! Steven

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