The Most Common of the Identified Chromosomal Causes of Down

question 144

Multiple Choice

The most common of the identified chromosomal causes of Down syndrome is:

• A) trisomy 21.
• B) mosaicism.
• C) translocation.
• D) PKU.

---

Definitions:

Dividend Payout Ratio

A metric that shows what portion of a company's earnings are distributed to shareholders in the form of dividends, typically expressed as a percentage.

External Financing Needed

The amount of funding a company must seek from outside sources to finance its business operations and growth ambitions beyond what it can generate internally.

Internal Rate of Growth

The maximum rate of growth a firm can achieve without resorting to external financing, relying solely on its own resources.

Retained Earnings

The portion of net income that is retained by a company rather than distributed to its shareholders as dividends.