If the Correlation Between Two Variables Is Close to One

question 121

Multiple Choice

If the correlation between two variables is close to one, the association between the variables is ___________.

• A) Strong
• B) Moderate
• C) Weak
• D) Zero

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Definitions:

Testcross

A genetic cross between a homozygous recessive individual and an organism of unknown genotype, to determine the unknown organism’s genotype based on the offspring’s phenotypes.

Homozygous Recessive

Referring to an individual carrying two copies of a recessive allele for a particular trait, which will be expressed in the organism's phenotype.

Dominant Trait

A genetic trait that is expressed in an organism even when only one copy of the gene responsible for the trait is present.

CFTR Gene

A gene that provides instructions for making a protein that acts as a channel for the movement of chloride ions across cell membranes, mutations of which can lead to cystic fibrosis.