Suppose That a Genetics Researcher Concludes That the Probability of Obtaining

question 74

Multiple Choice

Suppose that a genetics researcher concludes that the probability of obtaining a double dominant phenotype in an F₂ cross is 9/16.This conclusion can be valid only if one or more assumptions are true.Which assumption is necessary?

• A) Alleles have an unequal probability of separating into gametes.
• B) The two genes assort independently.
• C) The sample size is small.
• D) The two genes are linked.
• E) The gene exhibits incomplete dominance.

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Definitions:

Vascular Tissues

Specialized structures in plants that conduct water, nutrients, and sugars throughout the organism.

Free-Living Gametophytes

Independent gametophyte plants that do not depend on the sporophyte generation for their lifecycle, typical in some plant groups such as bryophytes.

Reproductively Superior

Having genetic or physiological attributes that enhance an organism's ability to reproduce and pass on genes to the next generation.

Multicellular

Consisting of more than one cell, characteristic of most living organisms excluding bacteria and certain algae.