Rebecca Has the Non-Purging Type of Bulimia

question 120

Multiple Choice

Rebecca has the non-purging type of bulimia. How does Rebecca differ from her friend Trudy who has the restricting type of anorexia?

• A) Rebecca engages in uncontrolled eating and excessive exercise to control her weight and Trudy engages only in uncontrolled eating
• B) Rebecca and Trudy engage in restricted eating, but Rebecca also uses excessive exercise to prevent weight gain
• C) Trudy engages in restricted eating without engaging in purging behaviours and Rebecca engages in uncontrolled eating and uses excessive exercise to prevent weight gain
• D) Trudy and Rebecca engage in uncontrolled eating, but Rebecca also uses excessive exercise to prevent weight gain

Understand the limits and considerations in molecular phylogenetics.

Grasp the concepts of gene flow, genetic drift, and their effects on allele frequencies.

Comprehend methods for constructing phylogenetic trees and their applications.

Understand the mechanisms that can create discrepancies between gene histories and species histories.

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