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وارد شوید

WAEC - Biology (2012 - No. 56)

In a case of complete dominance, what is the phenotypic ratio of the cross Bb X Bb; where B =black and b = white?
1 black : 1 grey : 2 whites
1 black : 3 whites
1 black : 2 blues : 1 white
3 blacks : 1 white

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