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Diana97 Group Title

A man and woman have a son who is color blind, a recessive sex-linked trait carried on the X-chromosome, but neither parent is color blind. The woman is now pregnant with their second child. Which of the following statements is true about the second child?

  • 2 years ago
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  1. Diana97 Group Title
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    A daughter will be color blind because the father is a carrier of the recessive allele. A son will be color blind because the mother is a carrier of the recessive allele. A daughter will not be color blind because the father is not a carrier of the recessive allele. A son will be color blind because the father’s mother must have been a carrier for recessive allele.

    • 2 years ago
  2. yummydum Group Title
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    B :)

    • 2 years ago
  3. yummydum Group Title
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    fathers are not carriers and i think it is more common in sons than daughters :)

    • 2 years ago
  4. mathslover Group Title
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    C. A daughter will not be color blind because the father is not a carrier of the recessive allele.

    • 2 years ago
  5. mathslover Group Title
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    source: http://answers.yahoo.com/question/index?qid=20111202114240AApFdq8

    • 2 years ago
  6. yummydum Group Title
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    or that....

    • 2 years ago
  7. Diana97 Group Title
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    @yummydum or wat

    • 2 years ago
  8. yummydum Group Title
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    or what mathslover said :) ...since he has a source (not the best but still) ...altough what i told you is what i learned :)

    • 2 years ago
  9. Diana97 Group Title
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    so is A

    • 2 years ago
  10. yummydum Group Title
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    umm....lemme look it up again :)

    • 2 years ago
  11. yummydum Group Title
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    A and C are both true....you just have to choose the better answer...Bio tests are always like this

    • 2 years ago
  12. yummydum Group Title
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    I would go with A :)

    • 2 years ago
  13. yummydum Group Title
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    yup...A :)

    • 2 years ago
  14. Diana97 Group Title
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    hhhhhhhmmm ok

    • 2 years ago
  15. mathslover Group Title
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    GO for what you studied at present that source is not more reliable .. best of luck good job @yummydum

    • 2 years ago
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