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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