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Rosy boa morph calculator

Lichanura trivirgata — Rosy boa work is locality-led, with a short list of true single genes — albino and anery are recessive, and most of the look comes from the locality line (Coastal, Mexican, Desert).

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Sire ♂

1 gene

Albino

Recessive

Dam ♀

1 gene

Albino

Recessive

Clutch odds per egg

2 possible hatchlings · updates live

Left out of the percentages because they are polygenic or line-bred — log them on the animal instead: Coastal locality, Mexican locality, Desert locality, Stripe width / clean edges, Orange intensity.

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Questions keepers ask

Are predicted morph percentages guaranteed in a clutch?
No. Each percentage is a probability for an individual egg. A small clutch can differ substantially from the expected ratio.
Can a photograph prove a recessive het?
No. Record documented parentage, breeding evidence or appropriate genetic testing separately from visual appearance. A possible het remains a probability, not a proven carrier.
Can line-bred traits be predicted with a Punnett square?
Not reliably. Line-bred and polygenic traits involve selection and multiple influences; keep their descriptions in animal records rather than treating them as simple single-gene odds.

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