6. F2, 788 individuals, of	o2 +  +	gave recombination percentages as follows:- o2 - gl1 27, o2 - ij 37.
	+ gl1 ij
Another F2, 323 seedlings, of	o2  +	gave 22% crossing over. Backcross data, 453 plants, give 17% crossing-over between o2 and ra1. These data indicate that o2 is to the left of v5.
	+  gl1