. A woman with Turner syndrome is found to be colorblind (an X-linked recessive phenotype). Both her motherand her father have normal vision.a. Explain the simultaneous origin of Turner syndromeand color blindness by the abnormal behavior ofchromosomes at meiosis.b. Can your explanation distinguish whether theabnormal chromosome behavior occurred in the fatheror the mother?c. Can your explanation distinguish whether theabnormal chromosome behavior occurred at the first orsecond division of meiosis?d. Now assume that a color-blind Klinefelter man hasparents with normal vision, and answer parts a, b, and c.

Human Anatomy & Physiology (11th Edition)
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. A woman with Turner syndrome is found to be colorblind (an X-linked recessive phenotype). Both her mother
and her father have normal vision.
a. Explain the simultaneous origin of Turner syndrome
and color blindness by the abnormal behavior of
chromosomes at meiosis.
b. Can your explanation distinguish whether the
abnormal chromosome behavior occurred in the father
or the mother?
c. Can your explanation distinguish whether the
abnormal chromosome behavior occurred at the first or
second division of meiosis?
d. Now assume that a color-blind Klinefelter man has
parents with normal vision, and answer parts a, b, and c.

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