Provide a definition and an example for each of the following terms:

polygenic inheritance

Describe the difference between continuous phenotypic variation and discontinuous variation. Explain how polygenic inheritance could be the basis of a trait showing continuous phenotypic variation. Explain how polygenic inheritance can be the basis of a threshold trait.

Calculate the mean, variance, and standard deviation for a sample of turkeys weighed at 8 weeks of age that have the following weights in ounces: 161, 172, 155, 173, 149, 177, 156, 174, 158, 162, 171, 181.

Provide a definition and an example for each of the following terms:

threshold trait

Provide a definition and an example for each of the following terms:

quantitative trait locus

Provide a definition and an example for each of the following terms:

multifactorial inheritance

Provide a definition and an example for each of the following terms:

concordance of twin pairs

Provide a definition and an example for each of the following terms:

additive genes

What is a random sample, and why can a random sample be used to represent a population?