Consider a Pair of Homologous Chromosomes Heterozygous for Three Genes

question 15

Multiple Choice

Consider a pair of homologous chromosomes heterozygous for three genes (e.g.ABC/abc) during prophase I of meiosis.Let the sister chromatids of one homolog be numbered 1 and 2;and the sister chromatids of the other homolog be numbered 3 and 4.A crossover that would result in genetic recombination (e.g. ,Abc or aBC) could involve which chromatids?

• A) 1 & 2 or 3 & 4
• B) 1 & 3 or 2 & 4
• C) 1 & 4 or 2 & 3
• D) 1 & 3 or 1 & 4 or 2 & 3 or 2 & 4
• E) any two of the four chromatids

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Definitions:

Cognitive Dissonance

The psychological discomfort experienced when holding two or more conflicting beliefs, values, or attitudes.

Fundamental Attribution Error

A cognitive bias that involves overemphasizing personality traits and underestimating situational factors when explaining other people's behavior.

Central Route Persuasion

A method of persuasion that involves deeply processing the content of the message, evaluating the arguments presented and leading to lasting attitude change.

Role Playing

The act of imitating the character and behaviors of someone else, often as a therapeutic or training tool.