In the Section "Investigating Life: Does Natural Selection Maintain Cystic

question 24

Multiple Choice

In the section "Investigating Life: Does Natural Selection Maintain Cystic Fibrosis?",what did the scientists conclude from the data represented in the figure?

• A)The fewer copies of a defective CFTR gene an organism has,the more resistant it is to cholera toxin.
• B)The number of defective CFTR genes was unrelated to cholera resistance.
• C)The more cholera toxin an organism was exposed to,the more copies of its CFTR gene that became defective.
• D)The more cholera toxin an organism was exposed to,the fewer copies of its CFTR gene that became defective.
• E)The more copies of a defective CFTR gene an organism has,the more resistant it is to cholera toxin.

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Definitions:

Margin Lost

The reduction in potential earnings or profit due to inefficiencies, increased costs, or missed opportunities.

Stockout

A situation where inventory is exhausted, and a product is unavailable for sale or delivery, potentially leading to lost sales and customer dissatisfaction.

Cost of Understocking

The financial loss or missed opportunity cost incurred when inventory levels are too low to meet demand.

Holding Cost

The expenses associated with storing unsold goods or materials, including warehousing, insurance, depreciation, and opportunity costs.