The Pedigree Shown Here Pertains to a Trait Due to a Rare

question 148

Multiple Choice

The pedigree shown here pertains to a trait due to a rare, X-linked recessive mutation. Individual 1 has an affected grandfather, but the genotypes and phenotypes of individuals 1-4 are unknown. What is the probability that individual 1 is heterozygous? What is the probability that individual 3 is heterozygous? What is the probability that individual 4 is affected?

• A)1; 1/4; 1/4
• B)1; 1/2; 1/2
• C)1/2; 1/4; 1/2
• D)1/2; 1/2; 1/2
• E)1/2; 1/4; 1/4

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Definitions:

Directed Verdict

A legal ruling by a judge, made during a trial, declaring that no reasonable jury could decide in favor of the opposing party based on the presented evidence.

New Trial

A court-ordered repetition of all or part of a legal proceeding, usually due to procedural error, new evidence, or unfair trial.

Judgment Creditor

A creditor who is legally entitled by a court’s judgment to collect the amount of the judgment from a debtor.

Court's Judgment

The final decision made by a judge or court in a legal case, determining the resolution of the dispute.