Use the information given here to answer the following questions. Feather colour 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. -A blue budgie is crossed with a white budgie.Which of the following results is not possible?
A)green offspring only B)yellow offspring only C)blue offspring only D)green and yellow offspring E)a 9:3:3:1 ratio