When a Researcher Transplanted the Nucleus of an Intestinal Cell

question 62

Multiple Choice

When a researcher transplanted the nucleus of an intestinal cell from a tadpole into an egg cell whose nucleus had been destroyed, the egg developed into a normal frog. This illustrates that

• A) scientists can clone a human by putting one of his or her nuclei into an egg cell.
• B) each cell of an organism has all the genes needed for development.
• C) a nucleus that is removed from its normal location is influenced by adjoining cells.
• D) the homeobox genes in a transplanted nucleus undergo mutation.
• E) genes are gained during the process of differentiation.

---

Definitions:

Sales Commissions

The expense related to the payment of commissions to sales personnel, typically calculated as a percentage of the sales revenue they generate.

Expense Recognition

An accounting principle that dictates when the cost of business operations should be recorded in the financial statements.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company.

Purchase Returns

Transactions where buyers return previously purchased merchandise to the seller, resulting in a reduction of cost of goods sold for the seller and a refund or credit for the buyer.