TABLE 3.

Summary of 3′ recombination junction sites observed in env gene of in vivo-derived rFeLV clones from four cats  

Cat	Specimen	Time (wk) p.i.	No. of clones at crossover site:
			<A or A	B	C	D	E	F	G or >G
5022	Bone marrow	8	2		1				8
		14	1					2	9
		28						4	7
	Buffy coat	8			3	1		6
		14						7	2
		28					1	6	3
	Tumor	28					4	1	1
5023	Tumor	37	4				4	1	3
5024	Tumor	43					5	1
5025	Tumor	55					2	3	1