The Response to Selection, R, Is Equal to

question 2

Multiple Choice

The response to selection, R, is equal to

• A)the heritability (h²) of a trait.
• B)the strength (S) of selection.
• C)the difference between h² and S.
• D)S/h².
• E)h²S.

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Definitions:

Sickle-Cell Anemia

A genetic blood disorder caused by an abnormal form of hemoglobin that results in misshaped red blood cells, leading to various health complications.

Chromosome

A structure of nucleic acids and protein found in the cell nucleus, carrying genetic information in the form of genes.

CAG Repeats

A series of trinucleotide repeats in the DNA, where the cytosine (C), adenine (A), and guanine (G) nucleotides are repeated multiple times; associated with various genetic disorders when present in high numbers.

HTT Gene

A gene on chromosome 4 that codes for the huntingtin protein, mutations of which are associated with Huntington's disease.