The Phenomenon of Fusion Is Likely to Occur When, After

question 45

Multiple Choice

The phenomenon of fusion is likely to occur when, after a period of geographic isolation, two populations meet again and ________.

• A) their chromosomes are no longer homologous enough to permit meiosis
• B) an increasing number of infertile hybrids is produced over the course of the next 100 generations
• C) no reproduction occurs in the hybrid zone
• D) an increasing number of viable, fertile hybrids is produced over the course of the next 100 generations
• E) a decreasing number of viable, fertile hybrids is produced over the course of the next 100 generations

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Definitions:

Herfindahl-Hirschman Index

A measure of market concentration and competition, calculated by squaring the market share of each firm competing in a market and summing the resulting numbers.

Concentrated Industry

An economic sector characterized by a small number of firms holding a large market share, leading to reduced competition.

Fuel-efficient Cars

Vehicles designed to use less fuel for the same distance traveled compared to standard vehicles, typically through advanced technology or design.

Concentration Ratio

A measure that assesses the level of market concentration, indicating the combined market share of the top firms (usually the top 4 or 8) in the industry.