While Female and Male Beetles Both Contain Twenty Diploid Chromosomes

question 23

Multiple Choice

While female and male beetles both contain twenty diploid chromosomes, males have one smaller chromosome than in females. What can be inferred from this observation?

• A) Males require fewer genes than females.
• B) Crossing over occurs between homologous chromosomes.
• C) Biological sex is determined by the presence of an X or Y chromosome.
• D) The number of autosomal chromosomes varies between gametes.
• E) Chromosomes assort independently to determine biological sex.

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Definitions:

Marginal Social Cost

This refers to the entire cost society bears for the production of an additional unit of a good, including both private costs borne by producers and external costs absorbed by others.

Common Resource

A resource like air or water that is non-excludable and rivalrous, meaning it's difficult to prevent anyone from using it, and one person's use diminishes others' use.

Common Resource

A resource like air or water that is not owned by anyone, but can be used freely by the public, often leading to overuse and depletion.

Socially Optimal

A condition or point at which the benefit to society is maximized, often considered in economic contexts to represent the most efficient allocation of resources.