Once a Prescriptive Right Has Been Established, Some Variations in Use

question 24

True/False

Once a prescriptive right has been established, some variations in use are allowed if they are close to the original use.

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Definitions:

Autosomes

Chromosomes that are not directly involved in determining a person's sex; these are present in pairs in both males and females.

Gene Targeting

A genetic technique that uses homologous recombination to modify the DNA of a gene to study its function or create a desired mutation.

Homozygous

Referring to an organism possessing two identical alleles for a specific gene, resulting in a uniform expression of that genetic trait.

Down Syndrome

An inherited condition in which individuals have abnormalities of the face, eyelids, tongue, and other parts of the body and exhibit physical and intellectual disability; usually results from trisomy of chromosome 21.