Write the Phrase as a Variable Expression $13 + x$ B) $13 - x$

question 246

Multiple Choice

Write the phrase as a variable expression. Use x for the unknown number.
-A number subtracted from 13

• A) \(13 + x\)
• B) \(13 - x\)
• C) \(x + 13\)
• D) \(x - 13\)

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Definitions:

Chromosome 5

One of the 23 pairs of human chromosomes, containing genes that are essential for various cellular functions and hereditary traits.

Aneuploidies

The presence of an abnormal number of chromosomes in a cell, leading to genetic imbalances and often associated with diseases.

Meiotic Nondisjunction

An error in meiosis where chromosomes do not separate properly, leading to gametes with an abnormal number of chromosomes, which can cause genetic disorders.

Fragile Site

A weak point at a specific location on a chromosome where part of a chromatid appears attached to the rest of the chromosome by a thin thread of DNA.