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Table 4.

Test Crosses of C3H and Mayer alleles of k10 Using theMgf^Sl Mutation

Hypopigmentation		Mgf ^Sl /Mgf ^C3H	Mgf ^C3H /Mgf ^C3H	Mgf ^Sl /Mgf ^Mayer	Mgf ^C3H /Mgf ^Mayer
Head spot	F₁ [ii]	100% (8/8)	0% (0/6)	0% (0/2)	0% (0/2)
	BC₁ [iii]	100% (14/14)[iv]	0% (0/11)	0% (0/11)	0% (0/6)
Dorsal spot	F₁ [ii]	0% (0/8)	0% (0/6)	50% (1/2)	0% (0/2)
	BC₁ [iii]	0% (0/14)	0% (0/11)	73% (8/11)[iv]	0% (0/6)

[i] Ranged from several white hairs to large spot.

[ii] From matings of C3HeBFeJ/LeMgf^Sl/Mgf^C3H; × C3HeBFeJ/Le Mgf^C3H; Ednrb^s (forMgf^Sl/Mgf^C3H andMgf^C3H/Mgf^C3H mice) and C3HeBFJ/Le Mgf^Sl/Mgf^C3H;× Mayer Mgf^Mayer; Ednrb^s (forMgf^Sl/Mgf^Mayer andMgf^C3H/Mgf^Mayer mice). All mice are Ednrb^s/Ednrb⁺.

[iii] From matings of C3HeBFej/LeMgf^Sl/Mgf^C3H; × (C3HeBFeJ/Le Mgf^C3H; Ednrb^s × Mayer Mgf^Mayer; Ednrb^s ) F₁. All mice are Ednrb^s/Ednrb⁺.

[iv] Fisher's exact test p < 0.001.