answer is C
i though D could be the answer as it will only produce dominant phenotypes and heterozygous for all so gives 1;1;1;1 ratio
hi
BbSs x BbSs gives a ratio 1:1:1:1 of phenotypes BS : Bs : bS : bs
bbSS x BBss gives a ratio 16:0 = 1:0 of phenotyes BS and nothing else
ohhhh i see my mistake
thanks!!
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