Cell Biology and Genetics2022

In a cross between pea plants with green and yellow coloured pods, the F2 individual segregated into 787 green and 277 yellow pod coloured individuals. If you have to test that these results agree with the expected ratio 3:1, then apply Chi-square P = 5%. The control value of Chi-square at 0.05 for df=2-1=1 is =3.84?