Knockout mice are created by

Question: Knockout mice are created by
[A].

mutagenizing a mouse and selecting for mutant offspring

[B].

creating a chimera by fusing cells from two different cell lines

[C].

infecting the mouse with a retrovirus

[D].

transfecting embryonic stem cells with an altered gene sequence

Answer: Option D

Explanation:

No answer description available for this question.