A human female with Turner syndrome (45,X) also expresses the X-linked trait hemophilia, as did her father. Which of the parents underwent nondisjunction during meiosis, giving rise to the gamete responsible for the syndrome.
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This means that the affected individual has only one X chromosome instead of the usual two (XX in normal females, XY in normal males). This condition is usually caused by nondisjunction during meiosis, which is a failure of the chromosomes to separate Show more…
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A human female with Turner syndrome (45, X) also expresses the X-linked trait hemophilia, as did her father. Which of her parents underwent nondisjunction during meiosis, giving rise to the gametes responsible for the syndrome? Draw the nondisjunction of sex chromosomes of both at meiosis I and II. Please be very detailed in explaining/labeling. Thank you in advance.
Bryan V.
A human female with Turner syndrome (45, X) also expresses the X-linked trait hemophilia, as did her father. Which of her parents underwent nondisjunction during meiosis, giving rise to the gametes responsible for the syndrome? Draw the nondisjunction of sex chromosomes of both at meiosis I and II. Please be very detailed in explaining/labeling.
A woman with X-linked color blindness and Turner syndrome had a color-blind father and a normal mother. In which of her parents did nondisjunction of the sex chromosomes occur?
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