Egg Laying in Fruit Flies Can Be Triggered (Induced) When

question 5

Multiple Choice

Egg laying in fruit flies can be triggered (induced) when males deposit their sperm in the spermathecae of the females. What is the selective advantage of induced egg laying for the male flies?

• A) Because egg laying is induced upon mating, the males do not have to produce as much sperm.
• B) More eggs can be fertilized at once when egg laying is induced.
• C) Induced egg laying ensures that a male fly's sperm is used for fertilization.
• D) Mating takes less time, so less energy is expended by the males.

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Definitions:

Probabilities

The measure of the likelihood that an event will occur, often quantified as a number between 0 and 1.

Simple Events

An event in probability that consists of only one outcome or occurrence and cannot be broken down further.

Probabilities

The likelihood or chance that a particular event will occur, expressed as a number between 0 and 1.

Sales

The exchange of a commodity for money; the action of selling something.