In the Study of Gigord and Colleagues Using Elderflower Orchids,the

question 4

Multiple Choice

In the study of Gigord and colleagues using Elderflower orchids,the allele frequencies of yellow and purple flowers varied such that when the yellow allele started to become rare,the reproductive success of purple flowers decreased and the reproductive success of yellow-flowered individuals increased in a process known as ________.

• A) overdominance
• B) frequency-dependent selection
• C) underdominance
• D) Hardy-Weinberg stabilization
• E) frequency depression

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Definitions:

Lowest Cost

The scenario in which the expenditure required to achieve a certain objective or to purchase goods and services is minimized.

Opportunity Cost

The act of sacrificing possible gains from alternative decisions when one is made.

Freight Train

A freight train is a train composed of freight cars for the purpose of transporting goods and materials rather than passengers.

Sugar

A sweet substance primarily obtained from sugarcane and sugar beets, used as a sweetener in food and drinks.