Jamal Has an Extra Chromosome on the Twenty-First Pair of Chromosomes

question 238

Multiple Choice

Jamal has an extra chromosome on the twenty-first pair of chromosomes, causing him to have

• A)hemophilia.
• B)fragile X syndrome.
• C)Down syndrome.
• D)sickle-cell anemia.

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Definitions:

Net Profit Margin Percentage

A financial ratio that indicates how much of each dollar of revenues is translated into profits, calculated by dividing net profit by revenue and multiplying by 100.

Net Income

The total earnings of a company after subtracting all expenses from its total revenues, indicative of its profitability.

Sales

The overall income produced through the sale of a company's products or services.

Debt-To-Equity Ratio

A financial ratio indicating the relative proportion of shareholders' equity and debt used to finance a company's assets.