A Geneticist Is Studying Two Genes What Is the Probability That in a Randomly-Sampled Individual, Gene

question 45

Multiple Choice

A geneticist is studying two genes. Each gene can be either dominant or recessive. A sample of 100 individuals is categorized as follows.

$\begin{array} { c c c } & \begin{array} { c } \text { Gene 2 } \\\text { Dominant }\end{array} & \begin{array} { c } \text { Gene 2 } \\\text { Recessive }\end{array} \\\text { Gene 1 Dominant } & 4 & 6 \\\text { Gene 1 Recessive } & 36 & 54\end{array}$

What is the probability that in a randomly-sampled individual, gene 1 is dominant?

• A) 0.10
• B) 0.04
• C) 0.90
• D) 0.40

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Definitions:

Rods

Photoreceptor cells in the retina of the eye that are highly sensitive to low levels of light, making them important for night vision.

Fovea

A small depression in the retina of the eye where visual acuity is highest. This area is responsible for sharp central vision.

Fine Detail

The most intricate or nuanced aspects of something, usually requiring close attention or scrutiny to fully appreciate or understand.

Color-deficient Vision

A condition impairing the ability to see color differences, commonly referred to as color blindness.