Vertebrate Hemoglobin and Myoglobin Are Thought to Have Arisen from a Common

question 26

Multiple Choice

Vertebrate hemoglobin and myoglobin are thought to have arisen from a common ancestral molecule due to __________ and subsequent modification.

• A)gene duplication
• B)multiple replication of DNA
• C)crossing over
• D)aneuploidy
• E)multiple transcription of mRNA

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Definitions:

Import Tariff

A tax imposed by a government on goods imported from other countries, often to protect domestic industries.

Producer Surplus

The difference between what producers are willing to accept for a good versus what they actually receive, due to higher market prices.

Consumer Surplus

The contrast between the total price consumers are prepared to pay for a good or service and what they end up paying in reality.

Consumer Surplus

The contrast between the total sum consumers are ready and financially equipped to spend on a good or service, and the sum they actually spend.