In All but One of the Following Situations, the Contract

question 146

Multiple Choice

In all but one of the following situations, the contract is frustrated. Identify the exception.

• A) Jack contracts with Bill to build a barn on his one-acre lot, but before the permit is obtained, a new law prohibits barns on lots smaller than three acres.
• B) Rudolph is due to appear in a local variety theatre that has just been destroyed in a fire of unknown origin.
• C) Frank has contracted to ride Emperor, a prize horse, in the Canada Day races on July 1, but on June 28 the horse breaks a leg and has to be destroyed.
• D) Jerry, a doctor, is due to perform a heart transplant operation on Mary, and the night before the surgery his arthritis becomes so painful that he cannot hold a scalpel.
• E) Gregory, a trucker with whom you contracted last month to haul potatoes tomorrow, phones to tell you that his truck has broken down.

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Definitions:

Alleles

Different versions of a gene, located at the same position on homologous chromosomes, contributing to genetic variation.

Locus

A specific location on a chromosome where a particular gene or genetic marker is situated.

Stabilizing Selection

A type of natural selection that favors intermediate variations of a trait, leading to a decrease in variation in the population over time.

Selection Type

A method or criteria used to choose or make a decision among various options.