Edwards syndrome corresponds to trisomy of chromosome which number?

Enhance your knowledge of cell division for the Alberta Biology 30 exam with multiple-choice questions and detailed explanations. Prepare confidently for your test!

Multiple Choice

Edwards syndrome corresponds to trisomy of chromosome which number?

Explanation:
Edwards syndrome occurs when there are three copies of chromosome 18 in every cell (trisomy 18). The extra chromosome disrupts multiple developmental processes, leading to severe congenital abnormalities and a poor prognosis, with most affected individuals not surviving beyond infancy. This condition is specifically tied to trisomy 18, while trisomy 21 causes Down syndrome and trisomy 13 causes Patau syndrome, each involving a different chromosome.

Edwards syndrome occurs when there are three copies of chromosome 18 in every cell (trisomy 18). The extra chromosome disrupts multiple developmental processes, leading to severe congenital abnormalities and a poor prognosis, with most affected individuals not surviving beyond infancy. This condition is specifically tied to trisomy 18, while trisomy 21 causes Down syndrome and trisomy 13 causes Patau syndrome, each involving a different chromosome.

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