breeding ginetics

Quote:
(Bl/Bl Lav+/lav) + (Bl/bl+ Lav+/lav) gives the following genotypes:

Bl/Bl Lav+/Lav+ (splash & not-lavender)
Bl/bl+ Lav+/Lav+ (blue & not-lavender)
Bl/Bl Lav+/lav (splash & split to lavender)
Bl/bl+ Lav+/lav (blue & split to lavender)
Bl/Bl lav/lav (splash & lavender)
Bl/bl+ lav/lav (blue & lavender)

When one of the parents is splash, all of the offspring will carry blue. In this case, yes, some of the offpring will be pure for lavender. Problem is that they will not have the lavender phenotype (appearance) as the characteristics of blue (or splash) will also be apparent. The lavender phenotype should be an even uniform colour throughout. If the bird is blue, you will have darker head, hackles, etc.; if splash, shlashing will be present.
 

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