5. Which of the following chromosomal disorders is caused by non-disjunction? a) Cystic fibrosis b) Down syndrome c) Sickle cell anemia d) Hemophilia

Question

5. Which of the following chromosomal disorders is caused by non-disjunction? a) Cystic fibrosis b) Down syndrome c) Sickle cell anemia d) Hemophilia​

shana9273 · Answer

Down syndrome is caused by non-disjunction, which occurs when chromosome 21 fails to separate properly during meiosis, leading to an individual having three copies of chromosome 21 (trisomy 21).

5. Which of the following chromosomal disorders is caused by non-disjunction? a) Cystic fibrosis b) Down syndrome c) Sickle cell anemia d) Hemophilia​

Answer (1)

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