You Are Examining the Effect of Maturation-Promoting Factor (MPF)in Sea

question 13

Multiple Choice

You are examining the effect of maturation-promoting factor (MPF) in sea urchin cells,which have a diploid number of 36.If you fuse a dividing sea urchin cell with a G₁ arrested oocyte,what would be the outcome?

• A)The G₁ cell would enter mitosis,but would likely arrest at the spindle checkpoint because the chromosomes have not been properly replicated.
• B)The G₁ cell would undergo mitosis and its daughter cells would each have 36 chromosomes.
• C)The G₁ cell would undergo mitosis and its daughter cells would each have 18 chromosomes.
• D)The G₁ cell would first go through S phase and then mitosis.Its daughter cells would have 36 chromosomes.

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Definitions:

Gender

Refers to the social, cultural, and psychological traits typically associated with one sex.

Age

The length of time that a person or object has existed, typically measured in years from the date of birth or creation.

Factorial Design

A research strategy enabling the examination of the effects of two or more independent variables on a dependent variable simultaneously.

Interactions

The effects that occur when two or more variables influence each other in an experiment or study.