The Development of Eyes Has Been Intensively Studied

question 7

Multiple Choice

The development of eyes has been intensively studied.Eyes of vertebrates and insects are

• A)analogous (homoplastic),not homologous,yet the same Pax6 gene initiates development.
• B)homologous,not analogous (homoplastic),yet the same Pax6 gene initiates development.
• C)analogous (homoplastic),not homologous,and development is initiated by two different genes,Pax6 and Pax7.
• D)homologous,not analogous (homoplastic),and development is initiated by two different genes,Pax6 and Pax7.
• E)completely unrelated,and development is initiated by a whole suite of different genes in different species.

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Definitions:

Mixed Cost

A cost that contains both variable and fixed cost elements, changing in total with activity level but not proportionately.

Manufacturing Cost

The total cost incurred by a company to produce goods, including direct materials, direct labor, and manufacturing overhead expenses.

Cost Behavior Analysis

The study of how specific costs respond to changes in the level of business activity.

Activity Base

A measure used in costing that is a significant and quantifiable activity or event, determining the cost incurred by an activity.