The Most Pessimistic Time for a Task Is 9 Months

question 73

Multiple Choice

The most pessimistic time for a task is 9 months.The most optimistic time for the same task is 7 months.What is the variance,in months,for the duration of the activity?

• A)0.01
• B)0.11
• C)1.01
• D)2.31

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Definitions:

Recessive Allele

An allele that produces its characteristic phenotype only when its paired allele is identical.

Dominant Allele

A dominant allele is one version of a gene that masks the presence of a recessive allele in the pair, meaning the trait it represents is expressed even when only one copy is present.

Codominance

A genetic scenario where two alleles of a gene are expressed equally in the phenotype of the organism, neither being recessive to the other.

Polygenic Inheritance

Refers to the contribution of a variety of genes—sometimes very many—to a particular trait.