Trisomy Multiple Choice Worksheet for 14-Year-Old Students

Instructions

Read each question carefully and select the correct answer for the multiple-choice questions. For short-answer questions, write your response in the space provided. 1. What is trisomy?
A) A condition where a person has only 44 chromosomes
B) A condition where a person has an extra chromosome
C) A condition where a person is missing a chromosome
D) A condition where a person has two extra chromosomes
2. Write the name of a common condition caused by trisomy:

3. What is a common cause of trisomy?
A) A virus infection during pregnancy
B) An error in cell division during early development
C) An allergic reaction during childbirth
4. What is a physical characteristic commonly associated with trisomy 21 (Down Syndrome)?

5. Which of the following is NOT a type of trisomy?
A) Trisomy 21
B) Trisomy 18
C) Trisomy X
D) Trisomy 4
6. Why is it important to understand trisomy?