The Ectodysplasin Gene of Stickleback Fish in Fresh and Salt

question 23

Multiple Choice

The ectodysplasin gene of stickleback fish in fresh and salt waters provides a good example of pleiotropy,because it ________.

• A) affects both growth rate and bony armor of a stickleback
• B) includes a DNA-binding homeodomain
• C) has been duplicated repeatedly to create a whole family of variants
• D) has been transferred from another organism
• E) allows different populations of stickleback to interbreed

---

Definitions:

Credit Card Fees

Charges imposed by credit card companies for the processing of transactions, often including a percentage of the transaction amount and a flat fee.

Multiple-Step Income Statement

An income statement that separates operating transactions from non-operating transactions and calculates gross margin and operating income.

Administrative Expenses

Overhead or general expenses related to the day-to-day operations of a business, which do not directly contribute to the production of goods or services.

Interest Expense

The cost incurred by an entity for borrowed funds, typically reported as a non-operating expense on the income statement.