Two Chi-Square Distributions Were Plotted on the Same Chart

question 40

Multiple Choice

Two chi-square distributions were plotted on the same chart. One distribution was for 3 degrees of freedom and the other was for 12 degrees of freedom. Which distribution would tend to approach a normal distribution?

• A) 3 degrees
• B) 12 degrees
• C) 15 degrees
• D) All would

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Definitions:

Homozygous Dominant

An organism that carries two dominant alleles for a particular gene, expressing the dominant phenotype.

Stabilizing Selection

A type of natural selection that favors the average individuals in a population and reduces variation around the mean phenotype.

Gene Pool

All the alleles of all the genes in a population; a pool of genetic resources.

Bottleneck Effect

A sharp reduction in the size of a population due to environmental events or human activities, resulting in a decrease in genetic diversity.