A Researcher Is Using Adult Stem Cells and Comparing Them

question 31

Multiple Choice

A researcher is using adult stem cells and comparing them to other adult cells from the same tissue. Which of the following findings is likely from this comparison?

• A) The cells from the two sources exhibit different patterns of DNA methylation.
• B) Adult stem cells have more DNA nucleotides than their counterparts.
• C) The two kinds of cells have virtually identical gene expression patterns in microarrays.
• D) The non-stem cells have fewer repressed genes.

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Definitions:

Groups

Groups refer to sets of subjects or items that are categorized together based on specific characteristics or treatments in an experiment or study.

Statistical Analysis

The process of collecting, reviewing, interpreting, and presenting data to discover underlying patterns and trends.

P < .01

Indicates that the probability of the observed data (or more extreme) given that the null hypothesis is true is less than 1%, suggesting strong evidence against the null hypothesis.

Null Hypothesis

A presumption in statistical inference that indicates no significant variance between groups or no significant relationship between variables.