Loss of the Gene Encoding Shugoshin in Many Multicellular Organisms

question 29

Multiple Choice

Loss of the gene encoding shugoshin in many multicellular organisms leads to sterility, suggesting defects in meiosis. What would you expect to occur in meiotic cells lacking shugoshin?

• A) The homologs fail to separate in anaphase I.
• B) The sister chromatids fail to separate in anaphase II.
• C) All chromatids separate prematurely in anaphase I.
• D) Removal of cohesion between homolog arms fails in prophase I.
• E) Removal of cohesion between sister chromatids fails in prophase II.

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Definitions:

Job Order Costing

An accounting system used to calculate the cost of producing specific products or jobs, which may vary in materials, labor, and overhead.

Producing a Job

An approach to manufacturing where goods are produced based on specific customer orders, often involving customized products.

Materials Ledger Card

A record card that tracks the quantity and value of materials on hand in inventory.

Raw Materials Inventory

Goods or materials a company holds that are to be used in the production process to manufacture finished products.