What Allows for Variation Within the Human Species

question 15

Multiple Choice

What allows for variation within the human species?

• A)alleles
• B)genes
• C)number of chromosomes
• D)structure of DNA

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Definitions:

Randomized Controlled Experiment

A study design in which subjects are randomly assigned to control and treatment groups to test the effect of an intervention.

Re-arrest Rates

The frequency at which individuals who have been previously arrested are arrested again, typically measured within a specific time frame.

Degrees of Freedom

A concept in statistics that describes the number of independent pieces of information used in the calculation of a statistic.

Chi-square Statistic

A measure used in statistics to assess the differences between observed and expected outcomes in categorical datasets.