A Dihybrid Test Cross Is Made Between Genes H and I.You

question 19

Multiple Choice

A dihybrid test cross is made between genes H and I.You wish to use the χ² test to test the hypothesis that the H and I genes are unlinked.How many degrees of freedom would there be in this test?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 0

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Definitions:

Endocrine System

A system of ductless glands in various parts of the body that manufacture hormones and secrete them into the bloodstream, thus affecting cells in other parts of the body.

Cardiovascular System

The body's system comprising the heart and blood vessels, responsible for circulating blood and transporting nutrients and oxygen.

Depression

A syndrome in mental health where there is a chronic presence of depressive moods or a withdrawal from pleasurable activities, majorly impairing ordinary life activities.

Genetically Modified

Refers to organisms whose genetic material has been altered using genetic engineering techniques, often to introduce desirable traits.