Use the Following Information to Answer the Question

question 54

Multiple Choice

Use the following information to answer the question. In a series of mapping experiments, the recombination frequencies for four different linked genes of Drosophila were determined as shown in the figure. Based on this information, what is the order of these genes on a chromosome map?

• A) rb-cn-vg-b
• B) cn-rb-b-vg
• C) b-rb-cn-vg
• D) vg-cn-b-rb

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Definitions:

Defensive Industries

Industries with below-average sensitivity to the state of the economy.

Durable Goods

Consumer products that have a long life span (over three years) and are used over time, such as cars, appliances, and furniture.

Food Producers

Food Producers are companies or individuals engaged in the cultivation, preservation, and distribution of food products and commodities to consumers.

Defensive Industries

Sectors of the economy expected to remain stable during various phases of the business cycle, often including utilities and consumer staples.