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:D
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