Identify a Scientifically Proven Example of How Nutrients in Foods

question 54

Multiple Choice

Identify a scientifically proven example of how nutrients in foods affect gene expression and disease development.

• A)A phytochemical in milk has been shown to reverse uncontrolled division of cancerous cells under laboratory conditions.
• B)Aflatoxin from corn and other grains is thought to attach methyl groups to both histones and DNA, thus preventing the development of liver cancer.
• C)Genomics testing laboratories have shown the benefits of supplements that are tailored to an individual's genetic profile.
• D)Folate and vitamin B ₁₂ supplements given during pregnancy have shown the gene silencing effect by transferring methyl groups.
• E)High levels of certain vitamins and minerals in the diets of a pregnant mouse can cause favorable changes in the DNA sequence of their offspring.

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Definitions:

Correlation Coefficient

A statistical measure ranging from -1 to 1 that indicates the strength and direction of a linear relationship between two variables.

Covariance

A measure that demonstrates how two random variables move together, indicating the direction of their linear relationship.

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean, commonly used to quantify the risk associated with a security or investment portfolio.

Probability Distribution

A function providing a comprehensive list of values and corresponding probabilities for a random variable within a certain limit.