You are looking at the color of feathers in ducks, and find that yellow ducks (Y) are dominant to green ducks (y). However, a second gene, H, controls whether the color will be expressed in the feathers. If the duck is hh, the duck will always be white because the pigment does not go into feathers. Following a dihybrid cross, you find that you have a ratio of 9:3:4 in the offspring. This trait is an example of _______.

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recessive epistasis

  

dominant suppression

  

dominant epistasis

  

dominant interaction

 

asked May 5, 2013 in Genetics by GeneX ~Top Expert~ (7,941 points)
    

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recessive epistasis
answered May 5, 2013 by GeneX ~Top Expert~ (7,941 points)

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