A Fly (Drosophila) with an XY Genotype Has a Mutation

question 35

Multiple Choice

A fly (Drosophila) with an XY genotype has a mutation in its sex-lethal (Sxl) gene that renders its protein product nonfunctional. Which of the following describes the sex of this fly?

• A) male
• B) female
• C) intersex
• D) male, but it will be sterile
• E) female, but it will be sterile

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Definitions:

T-Distribution

A probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and the standard deviation is unknown.

Student T-Distributed

Pertaining to a probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.

Sampled Population

The subset of a larger population that is selected for the purpose of a scientific study or statistical analysis.

Degrees Of Freedom

A concept in statistics referring to the number of independent values or quantities which can vary in the computation of a statistic, often related to the number of observations in a sample minus the number of restrictions or parameters.