Feather color in budgies is determined by two different genes, y and b, one for pigment on the outside and one for the inside of
the feather. yybb, yybb, or yybb is green; yybb or yybb is blue; yybb or yybb is yellow; and yybb is white. two blue budgies were crossed. over the years, they produced twenty-two offspring, five of which were white. what are the most likely genotypes for the two blue budgies?
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