A Dihybrid Testcross Is Made Between Genes H and I

question 2

Multiple Choice

A dihybrid testcross is made between genes H and I.Four categories of offspring are produced: H I, H i, h I, and h i.How many degrees of freedom would there be in a chi-square test for goodness of fit of the null hypothesis that the H and I genes are unlinked?

• A)1
• B)2
• C)3
• D)4
• E)0

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Definitions:

Demographic Features

Characteristics of a population being studied, including age, sex, ethnicity, income, education, and more.

Idiocentric

Characterizing individuals who are more self-reliant and independent, prioritizing their personal goals over group goals.

Group

A group refers to a number of individuals who have shared interests or goals and are perceived to be bound together in some manner.

Personal Goals

Individual objectives or aspirations that one strives to achieve, which can motivate behavior and guide actions.