Assume That a Cross Is Made Between Tall and Dwarf

question 43

Multiple Choice

Assume that a cross is made between tall and dwarf tobacco plants. The F₁ generation showed intermediate height, while the F₂ generation showed a distribution of height ranging from tall to dwarf, like the original parents, and many heights between the extremes. These data are consistent with which one of the following modes of inheritance?

• A) multiple-factor inheritance
• B) alternation of generations
• C) codominance
• D) incomplete dominance
• E) hemizygosity

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Definitions:

Galvanic Skin Response

A method of measuring the electrical resistance of the skin, which varies with the state of arousal or emotional state of an individual.

Electrical Conductivity

A measure of a material's ability to conduct an electric current, indicating how easily electrons can move through the material.

Sweat Glands

Specialized glands in the skin that produce sweat, part of the body's mechanism for regulating temperature.

Sexual Orientation

An individual's pattern of emotional, romantic, or sexual attraction to others, generally categorized by the gender of those to whom one is attracted.