With Reference to the Graph (Below)what Is the Selection Ratio

question 29

Multiple Choice

With reference to the graph (below) what is the selection ratio?

• A) 4/5 = 0.80
• B) 4/9 = 0.44
• C) 5/20 = 0.25
• D) 9/20 = 0.45

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Definitions:

Multiple Allele System

A situation in genetics where more than two alleles exist for a given gene within a population.

Gene

A unit of heredity made up of DNA that is responsible for a particular trait or function in living organisms.

Population

refers to all the members of a particular species living in a specific geographic area, capable of interbreeding.

Blood Type O

The blood group characterized by the absence of A and B antigens on red cells and the presence of anti-A and anti-B antibodies in the plasma.