A Mutation in the Hoxc8 Gene in the Ancestor of Modern

question 42

Multiple Choice

A mutation in the Hoxc8 gene in the ancestor of modern snakes caused its descendants to have ____.

• A) no forelimbs or necks
• B) vestigial forelimbs
• C) necks but not forelimbs
• D) no ribcages or limbs
• E) no forelimbs or hindlimbs

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Definitions:

Economic and Monetary Union

A type of trade bloc which combines an economic union with a monetary union, involving the adoption of a single currency among member countries.

EU

The European Union, a political and economic union of 27 member states that are located primarily in Europe, with its own legislative bodies to enact policies and laws applicable across member states.

Sherman Act

A landmark federal statute passed by Congress in 1890 that prohibits certain business activities considered to be anti-competitive, and requires the federal government to investigate and pursue trusts.

U.S. Antitrust Laws

Laws implemented to prevent anticompetitive practices, monopolies, and to promote fair competition for the benefit of consumers.