Pedigrees Video Lessons

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Problem: What information can be deduced from a pedigree? Select the TWO answers that are correct. A. the probability of a female being a carrier of an X-linked allele B. the probability of a parent or grandparent being infertile C. how autosomal traits contribute to X-linked traits D. how an X-linked trait is passed down over generationsE. the probability that Y-chromosome analysis will prove paternity

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Pedigree Chart: diagram that shows the occurrence and appearance of phenotypes from one generation to the next

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Problem Details

What information can be deduced from a pedigree? Select the TWO answers that are correct. 

A. the probability of a female being a carrier of an X-linked allele 

B. the probability of a parent or grandparent being infertile 

C. how autosomal traits contribute to X-linked traits 

D. how an X-linked trait is passed down over generations

E. the probability that Y-chromosome analysis will prove paternity

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