Imagine That an Alarm Caller Sacrifices Its Life to Save

question 48

Multiple Choice

Imagine that an alarm caller sacrifices its life to save other conspecifics. According to Hamilton's rule, how many full siblings would it have to save for the behavior to be favored, and why?

• A) exactly one, to replace its own genes in the gene pool
• B) two, because this equals its own genes plus additional genes to make it worth it
• C) three or more, because Hamilton's rule is an inequality
• D) exactly three, to replace its own genes in the gene pool most efficiently

---

Definitions:

Husband's Estimate

A presumably subjective assessment or judgment made by a husband, often humorously referred to in the context of informal decisions or guesses.

Promotional Campaigns

Marketing efforts designed to communicate the value of a product or service to customers, with the aim of increasing awareness or sales.

Gross Sales

The total revenue generated from all sales activity before any deductions are made for returns, allowances, or discounts.

Coupons

Certificates or electronic codes that offer a discount on the purchase price of goods or services.