The Three Chromosomal Abnormalities That Cause Down Syndrome Are

question 76

Multiple Choice

The three chromosomal abnormalities that cause Down syndrome are:

• A) trisomy 21 ; translocation ; mosaicism
• B) trisomy 23 ; translocation ; mosaicism
• C) trisomy 21 ; translocation ; Fragile X
• D) trisomy 23 ; translocation ; Fragile X
• E) trisomy 23 ; mosaicism ; Fragile X

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Definitions:

Expression

A combination of numbers, variables, and operations that together represent a particular value.

Positive Exponents

Represent numbers multiplied by themselves a certain amount of times, indicating a base raised to the power of a positive number.

Expression

A combination of numbers, variables, and mathematical operations that represents a particular value.

X

Often used in mathematics as a variable or unknown value in equations and algebraic expressions.