Jeff Is Conducting a Literature Review on the Research on Genetics

question 37

Multiple Choice

Jeff is conducting a literature review on the research on genetics and sexual orientation.He would find which of the following statements are supported by research?

• A) Most influential genetic studies of sexual orientation involve pairs of non-identical twins.
• B) Only 4% to 5% of the variation in sexual orientation can be explained by genetic influences.
• C) Over the past 30 years, research methods have become more sophisticated, allowing researchers to tease apart the forces of environment and genes.
• D) Scientists have uncovered a "gay gene" that causes sexual orientation.

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Definitions:

Indoleacetic Acid

A natural auxin, which is a class of plant hormones important for various aspects of growth and development, including cell enlargement, division, and differentiation.

Auxin

A class of plant hormones that play a key role in coordinating growth and behavioral processes in the plant's life cycle, such as cell elongation.

Brassinosteroids

A class of growth-promoting, steroid hormones in plants, influencing cell elongation, division, and development.

Steroids

A class of lipophilic organic molecules that play diverse roles in the body, including as hormones and components of cell membranes.