Why Are X-Linked Traits More Commonly Expressed in Males

question 1

Multiple Choice

Why are X-linked traits more commonly expressed in males?

• A) There is no masking of an affected X allele with a normal X in males.
• B) Females must have two copies of the affected allele to display a phenotype.
• C) Females may be unknowing carriers and pass on the trait to male progeny.
• D) Males only have one X chromosome.
• E) All of the above.

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Definitions:

Market Risk Premium

The extra return investors demand for holding a risky market portfolio instead of risk-free assets.

Required Rate Of Return

The minimum return an investor expects to achieve by investing in a particular asset, taking into account the risk associated with it.

Portfolio Beta

A measure of the volatility, or systematic risk, of a portfolio compared to the market as a whole, indicating how sensitive the portfolio is to market movements.

Diversified Portfolio

An investment strategy that spreads investments across various asset classes to reduce risk and potential volatility.