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Old January 9, 2018   #3
dfollett
Tomatovillian™
 
Join Date: Dec 2012
Location: Utah
Posts: 693
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Quote:
Originally Posted by Ann123 View Post
I've been wondering about that too.
I read somewhere on a blog (forgot where) that it doesn't matter but that it is easier to take the plant with a visual recessive trait as mother. So if you cross a yellow mother with a red father you should see red fruit in the first generation. If you see yellow fruit it got self pollinated.
Ann is correct. Another example that would tell you if the cross was successful very early is a Potato leaf mama and a regular leaf papa. If the cross is successful, the F1 will be regular leaf. If the F1 is potato leaf, the plant is a self of the mama instead of a cross.

If you made the same cross with the RL as the mama and the PL as the papa, the F1 will always be RL and you wouldn't know if the cross were successful until you grew out the F2s. If the cross were successful, 1/4 of the F2s would be PL.

Other than that, there would be no difference in future generations.
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