Trisomy could result from
A. an ovum of 22 chromosomes fertilized by a sperm with 23 chromosomes.
B. an ovum of 23 chromosomes fertilized by a sperm with 23 chromosomes.
C. an ovum of 24 chromosomes fertilized by a sperm with 23 chromosomes.
D. None apply.
Answer: C
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What will be an ideal response?
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