Data in the Accompanying Figure Shows the Results of Allelic

question 10

Multiple Choice

Data in the accompanying figure shows the results of allelic frequency analysis of an insect-pollinated plant whose seeds are transported by wind and water,therefore making this plant one of the first colonizers of new islands.The data―particularly the lower variation of allele frequencies of intermediate-aged populations―supports the hypothesis that ________.

• A) genetic drift tends to homogenize populations
• B) migration tends to homogenize populations
• C) gene flow tends to homogenize populations
• D) A, B, and C are all accurate.
• E) B and C are both accurate.

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Definitions:

Medulla

A part of the brainstem that controls vital bodily functions such as breathing, heart rate, and blood pressure.

Emotional Arousal

A state of heightened physiological and psychological activity related to emotions.

Higher-Level Thinking

Higher-level thinking involves complex cognitive processes such as analysis, evaluation, and synthesis, allowing for problem solving and understanding beyond basic knowledge.

Myelinated

Referring to nerve cells that are covered with myelin, a fatty substance that speeds up the transmission of nerve impulses.