Which of the Following Is the Most Common Finding in Chromosomal

question 2

Multiple Choice

Which of the following is the most common finding in chromosomal analysis of Down syndrome?

• A) Trisomy 21 with the extra copy being maternal in origin
• B) Trisomy 21 with the extra copy being paternal in origin
• C) Robertsonian translocation involving chromosome 21
• D) Mosaicism for trisomy 21
• E) A and B are equally likely

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Definitions:

If Statement

A conditional programming statement that runs a specific block of code when a certain condition is met.

Else Clause

A part of conditional statements in programming that specifies what action to take when the condition in an if statement is not met.

Macro Action

A programmed instruction that triggers a sequence of operations or commands in software, automating repetitive tasks.

Single Step

A process or operation performed individually or as a distinct part of a sequence in problem-solving or debugging tasks.