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The lack of carrier families with no affected children in pedigree data is an example of...

The lack of carrier families with no affected children in pedigree data is an example of

Select one:

a. non-Mendelian inheritance

b. variable expressivity

c. linkage disequilibrium

d. ascertainment bias

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Answer #1

The lack of carrier families with no affected children in pedigree data is an example of - a.linkage disequilibrium.

Because when linkage disequilibrium happens , there is a non random distribution of alleles at two or more locus in a geeral population.

Non mendelian inheritence generally refers to maternal inheritence or genetic imprinting etc. there is no such information in the question that refers to such a phenomenon. whereas variable expressivity would have resulted in uneffected or partially effected children, also an information not given in the question.

ascertainment bias resukts in the exclution of certein catagories from the final result ( This is not the case for it ).

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