If a Prairie Dog Had the Opportunity to Perform an Altruistic

question 39

Multiple Choice

If a prairie dog had the opportunity to perform an altruistic act (that is, give an alarm call) to help its relatives, which combination of the following relatives would the prairie dog be most likely to help (base your answer solely on the genetic relationships) ?

• A) two nieces, two cousins, and one half-brother
• B) two half-sisters and two nieces
• C) one son, one niece, and one half-sister
• D) equal altruism to all combinations described

---

Definitions:

Brushes

Components made of conductive material that transmit electrical current between stationary wires and moving parts, often found in motors and generators.

Commutator

A rotary electrical switch in certain types of electric motors and generators that periodically reverses the direction of current flow through the rotor.

AC Generator

An alternator in a vehicle that converts mechanical energy into alternating current electricity to power electrical systems.

Diodes

Semiconductor devices that allow current to flow in one direction, often used in electronics to rectify, switch, or modulate signals.