+ bm1/bt1 + x bt1 bm1 gave 128 + bm1 : 1 ++ : 2 bt1 bm1 : 119 bt + which gives 1.2% crossing over

7.	+ bm₁	x bt₁ bm₁
	bt₁ +	x bt₁ bm₁

gave 128 + bm₁ : 1 ++ : 2 bt₁ bm₁ : 119 bt + which gives 1.2% crossing over.