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  1. Individuals with trisomy X have three X
    chromosomes in their cells. Which statements
    can be used to describe this condition? Select all
    correct answers.
    a. This condition is caused by a chromosomal
    mutation called nondisjunction mutation.
    b. This condition is a result of the
    exchange of genetic material between two
    homologous chromosomes.
    c. This mutation is a result of chromosomes not
    separating during anaphase I of meiosis.
    d. This mutation is caused by balanced
    translocation, a type of chromosomal
    mutation.

Verified Answer :

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Final answer:

Trisomy X is a genetic condition caused by the presence of three X chromosomes, typically resulting from nondisjunction mutations during meiosis.


Explanation:

Trisomy X is a condition where individuals have three X chromosomes in their cells instead of the usual two. This condition is primarily caused by nondisjunction mutations during meiosis. Nondisjunction occurs when chromosomes fail to separate properly, leading to an abnormal chromosome number.


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