A.1 hoa đỏ: 1 hoa trắng
B.100% hoa đỏ  
C.3 hoa đỏ: 1 hoa trắng.
D.100% hoa trắng

A.giảm 1
B.tăng 1
C.giảm 3
D.tăng 3

A.rARN.
B.mARN.
C.ADN.
D.tARN.

A.5’UAG3’
B.5’UAA3’
C.5’UGA3’
D.5’UGX3’.

A.\(5\)
B.\(8\)
C.\(9\)
D.\(1\)

A.\(\frac{3}{5}\)
B.\(\frac{3}{8}\)
C.\(\frac{3}{7}\)
D.\(\frac{3}{4}\)

A.\( - \frac{9}{2}\)
B.\( - \frac{9}{4}\)
C.\( - \frac{9}{5}\)
D.\( - \frac{9}{7}\)

A.\(x \in \left\{ { - 2;\,\, - 1;\,\,1;\,\,2} \right\}\)
B.\(x \in \left\{ { - 3;\,\, - 1;\,\,1;\,\,2} \right\}\)
C.\(x \in \left\{ { - 2;\,\, - 1;\,\,1;\,\,4} \right\}\)
D.\(x \in \left\{ { - 2;\,\, - 1;\,\,1;\,\,5} \right\}\)

A.\(x = 3\).
B.\(x = 7\).
C.\(x = 9\).
D.\(x = 10\).

A.\(\frac{9}{{16}}\)
B.\(\frac{9}{{17}}\)
C.\(\frac{9}{{13}}\)
D.\(\frac{9}{{26}}\)