Hemophilia Is Caused by an X-Linked Recessive Mutation in Humans

question 64

Multiple Choice

Hemophilia is caused by an X-linked recessive mutation in humans.If a woman whose paternal uncle (father's brother) was a hemophiliac marries a man whose brother is also a hemophiliac, what is the probability that their first child will have hemophilia? (Assume that no other cases of hemophilia and no hidden carriers exist in the pedigree. )

• A)0
• B)1/4
• C)1/2
• D)1/8
• E)1

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Definitions:

Accounting Principle

Fundamental guidelines or rules that govern financial accounting practices.

Cost Or Market

An accounting method used to value inventory or securities at the lower of either its original cost or its market value as of the reporting date.

LIFO Reserve

The difference between the cost of inventory calculated under the Last In, First Out method and the FIFO (First In, First Out) method.

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations, calculated as current assets divided by current liabilities.