The genetics of C gene dominance

Crosses A to F illustrate the complete dominance of C, the recessiveness of c, and the incomplete dominance of cch over ch. Dominance in this allelic series is C > cch > ch > c Crosses A to F illustrate the complete dominance of C, the recessiveness of c, and the incomplete dominance of cch over ch. Dominance in this allelic series is C > cch > ch > c

(a) Cross A 4‘ I” CC c‘"c"' Full color ' Chinchilla F‘ x Cc‘" Cc‘” Full color Full color c cch CC Cc“ Full colo Full colo 9 Full colo Chinchilla 3:1 ratio, C dominant to c‘" (d) Cross 0 i I" c"'c"' % cc 3 Chinchilla . Albino '_ \ F. f x / c"'c c"'c Chinchilla Chinchilla (b) Cross 8 V o H CC c"c” Full color Himalayan F. x Cc" Cc" Full color Full color C c" CC Cc" Full color Full color M 3:1 ratio, C dominant to c" (e) Cross E \l ‘0 P x Out c"c" cc Himalayan NI Albino \l \ '0 / ‘0 F, Oat x O“ c"c c": Himalayan Himalayan (c) Cross C CC cc Full color Albino F. x Cc Cc Full color Full color C c CC Cc Full color Full color Cc Full color 3:1 ratio, C dominant to c 3“ ml '0 P I x H cmcm chch Chinchilla “Himalayan \§ \ ‘ / ‘ F, 5 x ‘ cmch cmcn Chinchilla Chinchilla 3:1 ratio, c"' dominant to c 3:1 ratio, c" dominant to c 1:2:1 ratio, c‘" partially dominant to c"