Generally, It Is Not Possible to Determine Whether Nondisjunction Failed

question 38

Multiple Choice

Generally, it is not possible to determine whether nondisjunction failed to occur in oogenesis or spermatogenesis. However, it is possible to assert that XYY results from nondisjunction during

• A) oogenesis.
• B) spermatogenesis.
• C) mitosis.
• D) cytokinesis.

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Definitions:

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, associated with physical growth delays and mild to moderate intellectual disability.

Beta-amyloid

A fibrous protein that accumulates abnormally in the brains of patients with Alzheimer's disease, forming plaques that disrupt cell function.

Plaques

Deposits of amyloid protein that accumulate in the extracellular spaces of the cerebral cortex, hippocampus, and other forebrain structures in people with Alzheimer’s disease.

Protein

Essential nutrients for the human body, composed of amino acids, that support various bodily functions including muscle repair and enzyme production.