help wanted -any experts on heredity?

  1. 29,152 Posts.
    lightbulb Created with Sketch. 62
    On heredity, I was told last night that if both parents have blue eyes, their offspring can only have blue eyes.
    I was of the opinion that there could be throwbacks.

    Where can I research this? My attempts so far have failed.

    TIA
    GZ
 
arrow-down-2 Created with Sketch. arrow-down-2 Created with Sketch.