Quote:
Originally Posted by buttsavage
Then what would you get if you bred a spider to a normal and/ or a pastel to a normal?
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Spider X normal= chance of spiders and normal offspring
Pastel X normal= chance of pastels and normal offspring
Spider and pastels are Co-dominant traits, they are either Spiders/pastels or normals
Recessive traits, like Albino, Pied etc... need two copies of the recessive gene, 1 from each parent, and will give you hets.
For example an Albino to a normal will give you all normal looking 100% Het for Albino offspring. One parent passes on the recessive gene (Albino), but it doesn't exist in the normal parent.
Combine 2 Het for Albino and using a clutch size of 8 eggs for example; you should get 2 Albinos, 4 Het for Albinos and 2 normals. However it doesn't always work out exactly, you could be really lucky and get all Albinos, or really unlucky and get none...
Since the normal will look the same as the Hets, they are considered 66% Het for Albino. Meaning there is a 66% chance that they carry the Albino gene.
Hope that helped. I am no genetics expert, there are many posters here that are more experienced and can likely explain it better than I did...