Suppose That Eye Color Is a Single Gene Trait and That

question 61

Multiple Choice

Suppose that eye color is a single gene trait and that brown eyes is a dominant allele and blue eyes is a recessive allele. If Mark has brown eyes, we would know:

• A) that Mark is heterozygous for the eye color trait
• B) that Mark is homozygous for the eye color trait
• C) Mark's genotype
• D) Mark's phenotype

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Definitions:

Null Hypothesis

The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, typically denoted by alpha (α), used as a threshold to gauge the strength of the evidence against the null hypothesis.

Test Statistic

A statistic calculated from sample data that is used in a hypothesis test to decide whether to reject the null hypothesis.

Sample Proportion

The ratio of members within a sample that possess a particular trait or characteristic, relative to the total sample size.