SAT Subject Biology Practice Question 153: Answer and Explanation

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Question: 153

3. A cell that receives more than the normal number of chromosomes can be called all of the following EXCEPT

A. aneuploid
B. gametic
C. monosomic
D. polyploid
E. trisomatic

Correct Answer: C


An aneuploid cell is one with an abnormal number of chromosomes. A trisomatic cell has an additional chromosome. A polyploid cell is one that contains an extra set of genetic material. All of these terms may apply to the gamete that inherits an extra chromosome due to nondisjunction. A monosomic cell is a diploid cell that is missing a single chromosome.

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