n mice coloring is determined by three alleles of the agouti gene.  AA, codes for agouti coloring, AT codes for black with tan belly, and AB codes for all black.  The dominance order is AA>AT>AB. What proportion of offspring are expected to be black with a tan belly from the following cross  ABAT x AAAT?     1/8     none     3/4     1/4     1/2

Science Of Agriculture Biological Approach
5th Edition
ISBN:9780357229323
Author:Herren
Publisher:Herren
Chapter4: The Science Of Genetics
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In mice coloring is determined by three alleles of the agouti gene.  AA, codes for agouti coloring, AT codes for black with tan belly, and AB codes for all black.  The dominance order is AA>AT>AB. What proportion of offspring are expected to be black with a tan belly from the following cross  ABAT x AAAT?

   

1/8

   

none

   

3/4

   

1/4

   

1/2

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