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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