Table 2. FAH knockout mice.

					Mutant Alleles per Mouse/Total Mice Tested
Gene	gRNA	Cas9	Transferred Embryos (Recipients/pregnancies)	Newborns (dead)	2 indel	1 indel	2KI	1KI	1indel +1 KI	0
FAH	gRNA3	WT Nuclease	211** (8/4)	11 (2)	3	1	1	2	2	0
	gRNA1 + gRNA3	D10A Mut Nickase	147 (6/2)	11 (1)	3	0	0	0	0	7

**201 injected embryos were transferred. One recipient received 11 injected and 10 non-injected embryos. This recipient did not produce any births.