Martha Has a Widow's Peak Dominant Trait) and Attached Earlobes

question 55

Multiple Choice

Martha has a widow's peak dominant trait) and attached earlobes recessive trait) . Martha's dad had a straight hairline and unattached earlobes. If Martha marries a man that is heterozygous for both traits, what is the probability that they will have a child with a widow's peak and attached earlobes?

• A) 1/16
• B) 3/8
• C) 1/4
• D) 1/2
• E) 3/4

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Definitions:

Internal Rate of Return

The discount rate at which the net present value of an investment's cash flows equals zero.

Cost of Capital

The rate of return that a company must earn on its investment projects to maintain its market value and attract funds.

Net Present Value

The calculation that compares the value of a dollar today to the value of that same dollar in the future, taking inflation and returns into account, often used to assess the profitability of an investment.

Tax Rate

The percentage at which an individual or corporation is taxed.