A Testcross Is Used to ____. ​

question 16

Multiple Choice

A testcross is used to ____. ​

• A)determine if a parent with a dominant trait is heterozygous or homozygous
• B)determine which allele is dominant ​
• C)determine if the progeny of an experimental cross will have a random assortment of alleles ​
• D)prove an organism is true-breeding ​
• E)cross an individual with a dominant phenotype with a homozygous dominant individual to prove the alleles are dominant ​

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Definitions:

Variation

The degree to which values in a dataset vary from one another and from the dataset’s average.

Population Correlation

A measure of the strength and direction of a linear relationship between two quantitative variables across the entire population.

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic term.

Population Slope

The slope coefficient in a regression model that describes the relationship between a dependent variable and one or more independent variables in the population.