A Survey of University Students in Canada Reported the Following

question 1

Multiple Choice

A survey of university students in Canada reported the following percentages. $$\begin{array} { | l | l | l | l | l | } \hline & \text { Cat lover } & \text { Dog lover } & \text { Other } & \text { Total } \\\hline \text { Brand 1 Cola } & 22.5 \% & 28.0 \% & 16.5 \% & 67.0 \% \\\hline \text { Brand 2 Cola } & 7.5 \% & 12.0 \% & 13.5 \% & 33.0 \% \\\hline \text { Total } & 30.0 \% & 40.0 \% & 30.0 \% & 100 \% \\\hline\end{array}$$ Find the conditional distribution of pet preference for students that prefer Brand 1 Cola.

• A)30.0% cat,40.0% dog,30.0% other
• B)22.5% cat,28.0% dog,16.5% other
• C)33.6% cat,41.8% dog,24.6% other
• D)22.7% cat,36.4% dog,40.9% other
• E)19.0% cat,24.0% dog,57.0% other

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Definitions:

Johannes Miescher

A Swiss biologist who discovered nucleic acids, thus laying the groundwork for the field of molecular biology.

Isolate DNA

The process of separating DNA from other cellular components to study its structure, function, or for genetic engineering purposes.

Replication Error

Mistakes that occur during the DNA replication process, potentially leading to mutations if not corrected by DNA repair mechanisms.

Permanent Mutation

A change in the DNA sequence that is irreversible and can be passed down to successive generations.