Activity 4-5 in a Network Diagram Has an Optimistic Time

question 105

Multiple Choice

Activity 4-5 in a network diagram has an optimistic time estimate of five days, a most likely time estimate of seven days, and a pessimistic time estimate of 10 days. Its expected time (in days) is approximately

• A)5.
• B)6.
• C)7.
• D)8.
• E)9.

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Definitions:

Dihybrid Cross

Cross between two individuals identically heterozygous for two genes; for example, AaBb × AaBb.

Phenotypes

The set of observable characteristics or traits of an organism.

Ratio

A mathematical way of comparing two quantities by division, expressing how much of one thing exists relative to another.

Pleiotropic Gene

A single gene that influences multiple phenotypic traits, demonstrating the complexity of gene expression on phenotype.