Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: General Biology question ?

  1. Nov 27, 2007 #1
    1. A sex linked gene 'c' produces red-green color blindness in humans. A normal woman whose father is color-blind marries a color-blind man. What genotype(s) are/is possible for the mother of the color-blind man she has married?

    a. What are the chances that the first child from this marriage will be a color-blind boy?

    b. Of the daughters of these parents, what fraction are expected to be color-blind?
     
  2. jcsd
  3. Nov 28, 2007 #2
    You have to show us your thoughts on the question before we can help you.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook