I've been working with linebreeding and inbreeding mice and cattle for sometime and I believe there is a difference.

Linebreeding a son to a mother is "safer" because if original mother and sire were distinctly unrelated, then the son shares at most 50% of his DNA in common with his mother, thus reducing the chances of weak offspring.

Inbreeding a brother to a sister is "less safe" because both have the same parentage and could, theoretically, statistically, share all the same DNA except the sex chromosomes, thus increasing the chances of weak offspring.

I understand the jargon of "safe" and "weak" are not very specific, but I am trying to stay in context with the previous posts.
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1.0 normal ball python
0.1 greyband hybrid kingsnake
0.2 crazy cats
1.0 husband

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