Trait Question...

[Piper Rowley]

I have these two kitties:

? We Are Sibilings....

Fur: Balinese - Cream Lynx
Eyes: Odyssey Burst (Shape: Curious | Pupil: Small)
Shade: Twinkle
Tail: Mysterious
Ears: Genesis
Whiskers: White (Shape: Mysterious)
Size: Normal

Version: 1.32
Owner: PiperK Resident
ID: b0ce514f-7e18-f07f-17c9-4ff3bb9ec6ec
Pedigree: http://kittycats.biz/p.php?54e58453-b103595-09202
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MOM: Patty
Fur: Balinese - Cream Lynx
Eyes: BlueBerry (Shape: Curious | Pupil: Big)
Shade: Twinkle
Tail: Mysterious
Ears: Genesis
Whiskers: White (Shape: Mysterious)

DAD: Victor
Fur: Balinese - Cream Lynx
Eyes: Odyssey Burst (Shape: Curious | Pupil: Small)
Shade: Twinkle
Tail: Mysterious
Ears: Genesis
Whiskers: White (Shape: Mysterious)
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and

? And Our Grandfather has Flash!!

Fur: Balinese - Cream Lynx
Eyes: Odyssey Burst (Shape: Mysterious | Pupil: Small)
Shade: Twinkle
Tail: Mysterious
Ears: Genesis
Whiskers: White (Shape: Mysterious)
Size: Normal

Version: 1.32
Owner: PiperK Resident
ID: 4365fa7e-94be-f76e-15ae-fa07357cb6f8
Pedigree: http://kittycats.biz/p.php?15c52bc5-4101818-09243
?????????????????????????????
MOM: Patty
0Fur: Balinese - Cream Lynx
Eyes: BlueBerry (Shape: Curious | Pupil: Big)
Shade: Twinkle
Tail: Mysterious
Ears: Genesis
Whiskers: White (Shape: Mysterious)

DAD: Victor
Fur: Balinese - Cream Lynx
Eyes: Odyssey Burst (Shape: Curious | Pupil: Small)
Shade: Twinkle
Tail: Mysterious
Ears: Genesis
Whiskers: White (Shape: Mysterious)
?????????????????????????????????????

They're parents are silblings as well and THEIR dad has flash. Would it be possible for Flash to be hidden since both are showing Twinkle? Parents pedigrees are enabled so feel free to look at them too.