Assuming That the Only Function of Short Gastrulation (Sog) in Fruit

question 55

Multiple Choice

Assuming that the only function of Short gastrulation (Sog) in fruit flies is to regulate Decapentaplegic (Dpp) , which of the following genetic interactions would you NOT expect to observe?

• A) Mutant embryos lacking both Sog and Dpp phenotypically resemble those lacking only Dpp.
• B) Partial loss of Sog suppresses the phenotype of partial loss of Dpp.
• C) Gain of Dpp suppresses the phenotype of partial loss of Sog.
• D) Gain of Sog suppresses the phenotype of gain of Dpp.

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Definitions:

The Song of Love

A painting by Giorgio de Chirico in 1914, showcasing the metaphysical art style.

Surrealism

A successor to Dada, Surrealism incorporated the improvisational nature of its predecessor into its exploration of the ways to express in art the world of dreams and the unconscious. Biomorphic Surrealists, such as Joan Miró, produced largely abstract compositions. Naturalistic Surrealists, notably Salvador Dalí, presented recognizable scenes transformed into a dream or nightmare image.

Indifference Curve

An indifference curve is a graph that shows a combination of two goods that give a consumer equal satisfaction and utility, indicating preferences irrespective of consumption mix.

Slope

A measure of the steepness or inclination of a line, indicating the change in the vertical axis relative to the change in the horizontal axis.