What Evidence Supports the Ohno Suggestion About Vertebrate Evolution from Ancestral

question 23

Multiple Choice

What evidence supports the Ohno suggestion about vertebrate evolution from ancestral invertebrates by whole-genome duplication?

• A)Modern vertebrates have four times the number of certain groups of genes compared to their homologues in amphioxus.
• B)Modern vertebrates and amphioxus have exactly the same number of certain groups of genes.
• C)Modern vertebrates have six times the number of certain groups of genes compared to their homologues in amphioxus.
• D)Amphioxus has four times the number of certain groups of genes compared to their homologues in modern vertebrates.
• E)Amphioxus has eight times the number of certain groups of genes compared to their homologues in modern vertebrates.

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Definitions:

Lowest Possible Price

the minimum price at which a good or service is offered, considering all factors including cost, demand, and competition.

Income Elasticity

A measure of how much the demand for a good or service changes in response to a change in income.

Entire Incomes

The total earnings received by an individual or household from various sources, including wages, salaries, and investments.

Cobb-Douglas Utility

A form of utility function that represents preferences with a particular functional form, often used in economics to model production and utility with inputs or goods raised to constant powers.