For green eyes, the first layer must be blue (bb) to be "seen through" and the second layer must be green (GG or Gb). The possible genotypes for green eyes would then be bbGG or bbGb.
Hope this helps!
Using the information already given is it possible for a brown eyed father and a green eyed mother to have a blue eyed child. I need a full explanation and maybe even Punnett squares.
Thanks for the accept. The link doesn't seem to work in the above. Here is the link for the Punnet square example.
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