In Drosophila,an Individual Female Fly Was Observed to Be of the XXY

question 13

Multiple Choice

In Drosophila,an individual female fly was observed to be of the XXY chromosome complement normal autosomal complement and to have white eyes as contrasted with the normal red eye color of wild type.
-The female's father had red eyes,and the mother had white eyes.Knowing that white eyes are X- linked and recessive,present an explanation for the genetic and chromosomal constitution of the XXY,white- eyed individual.

• A)nondisjunction in meiosis I of mother and meiosis II of father
• B)nondisjunction in meiosis II of mother
• C)nondisjunction in either meiosis I or meiosis II of the mother
• D)nondisjunction in meiosis I of mother
• E)nondisjunction in meiosis II of father

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