A.3 quả tròn : 1 quả dài.
B.1 quả tròn : 3 quả dài
C.1 quả tròn: 1 quả dài
D.100% quả tròn

A.6,25%
B.12,50%.
C.18,75%.
D.37,50%.

A.35/128.
B.7/64.
C.7/32.
D.35/256.

A.Jan-40
B.1/8.
C.23/180.
D.1/36.

A.Acginin - Xêrin - Acginin - Xêrin.
B.Xêrin - Acginin - Alanin - Acginin.
C.Acginin - Xêrin - Alanin - Xêrin.
D.Xêrin - Alanin - Xêrin - Acginin.

A.\(Bb\dfrac{{Ad}}{{aD}} \times bb\dfrac{{ad}}{{ad}}\)
B.\(Bb\dfrac{{AD}}{{ad}} \times bb\dfrac{{ad}}{{ad}}\)
C.\(Aa\dfrac{{BD}}{{bd}} \times aa\dfrac{{bd}}{{bd}}\)
D.\(Aa\dfrac{{Bd}}{{bD}} \times aa\dfrac{{bd}}{{bd}}\)

A.28,25%.
B.14,75%.
C.10,25%
D.25,00%.

A.Bbbb.
B.Bb.
C.Bbb.
D.BB.

A.4
B.2
C.1
D.3

A.ATX, TAG, GXA, GAA.
B.AAG, GTT, TXX, XAA.
C.TAG, GAA, AAT, ATG.
D.AAA, XXA, TAA, TXX.