Suppose a Single Nondisjunction Event Occurs During Anaphase II of Meiosis

question 17

Multiple Choice

Suppose a single nondisjunction event occurs during anaphase II of meiosis in a normal male cell from meiosis I. Of the resulting sperm, ____.​

• A) ​three would be normal and one would have an extra chromosome
• B) ​two would be normal, one would have an extra chromosome, and one would be missing a chromosome
• C) ​two would have an extra chromosome and two would be missing a chromosome
• D) ​all four sperm would have an extra chromosome
• E) ​three would have an extra chromosome and one would be normal

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Definitions:

Longitudinal Members

Structural components of a vehicle's chassis that run lengthwise, providing strength and stability to the vehicle's body.

Rails

Long, solid supports used in construction, as part of rail systems for transportation, or as guides in machinery.

Crystallization Failure

A degradation process where materials, often metals or plastics, become brittle due to the formation of microcrystals within them, leading to failure.

Tempered Frame Rail

A strengthened frame rail, treated by heating and cooling, to enhance durability and load capacity.