Quote:
Originally Posted by bower
Since Delta and Beta are dominant, shouldn't we expect to see orange fruit in the F1? If so, that would immediately distinguish them from fruit with the tangerine t allele. I made several crosses with Zolotoe Serdtse last fall and the F1 seedlings are up. If those F1's are red, can I conclude that the orange color came from tangerine?
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There are potentially other recessive orange mutations, so to be certain you were dealing with the 'tangerine' gene, you would have to do a test cross into a strain you already know has 'tangerine'. Without that cross, but knowing that 't' is the most common orange gene, it is reasonable to tentatively say that "Zolotoe Serdtse" includes 't' until you have further data.