Identify the statements which are not true with respect to transgenic animals?

(A) Transgenic mice are used to test the safety of polio vaccine.
(B) Transgenic animals are less sensitive to toxic substance than normal animals.
(C) The milk produced by the first transgenic cow contain human $β$-lactalbumin.
(D) Transgenic animals can produce useful biological products.

Choose the correct answer from the options given below:

(B) and (C) only

The correct answer is Option (2) → (B) and (C) only