What Is the Source of the Extra Chromosome 21 in an Individual

question 12

Multiple Choice

What is the source of the extra chromosome 21 in an individual with Down syndrome?

• A)nondisjunction in the mother only
• B)nondisjunction in the father only
• C)duplication of the chromosome
• D)nondisjunction in either parent
• E)It is impossible to detect with current technology.

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Definitions:

Accounting Principles

A set of guidelines and rules that govern the accounting procedures and financial reporting of businesses, ensuring accuracy and consistency across industries.

Fixed Asset Impairments

A reduction in the recoverable value of a fixed asset below its carrying value, recognized as a loss in financial accounting.

Discontinued Operations

Parts of a company's core business or product lines that have been sold, disposed of, or abandoned and are reported separately in financial statements.

Unusual Item

A significant financial transaction or event that is rare and not expected to recur frequently, reported separately in financial statements to not distort the operational performance.