F1 surprises

[bower]

I decided to start a thread to show some of the F1 results from the crosses I'm growing out this year... there are many traits of interest with unclear or unknown dominance, in whole or part due to my lack of experience, so some surprises are expected, for me at least!

But first, I have a really surprising result, which seems to contradict what I expected from the known dominance of cherry fruit over multi-locule fruit.
The cross is Kimberley X Zolotye Kupola, which was made very late last fall - only a few seeds were harvested from an immature fruit. Seedlings were all RL like the pollen donor ZK, which shows that the cross was successful. The first fruit are clearly not cherries, and both of the two seedlings I kept appear to be producing a mix of cherry and multi-locule fruit (time will tell for sure).

Any idea what could cause this result? (The "twin" fruit is wierd enough)