Question:
Triple X syndrome, or trisomy X, occurs when a female has an
Last updated: 7/24/2022
Triple X syndrome, or trisomy X, occurs when a female has an extra X chromosome in each of her cells. This results when the mother's reproductive cells divide improperly, and two X chromosome are moved into one gamete. When that gamete is fertilized and the father's DNA and X chromosome are combined with the mother's, that gives the cell three X chromosomes instead of two. Triple X syndrome occurs because of: A. Deletions B. Non-disjunction C. Point Mutations D. Crossing Over