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

question 192

Multiple Choice

The pedigree shown here pertains to a trait due to a rare, X-linked recessive mutation. Individual 1 has no family history of the trait and individual 2 is affected, but the genotypes and phenotypes of individuals 1, 3, and 4 are unknown. What is the (approximate) probability that individual 1 is heterozygous? What is the probability that individual 3 is affected? What is the (approximate) probability that individual 4 is affected?

• A)1; 1; 1
• B)1; 0; 0
• C)0; 0; 1
• D)0; 1; 0
• E)0; 0; 0

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Definitions:

Earnings Retention

The portion of a company's profit that is kept or retained rather than distributed to shareholders as dividends.

Total Asset Turnover

A metric indicating how effectively a firm utilizes its assets to produce sales income.

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Funds that a business obtains from outside sources to cover its operational needs and finance growth, including debt and equity financing.

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