Quote Originally Posted by kxr View Post
This is exactly what I was thinking. I'm glad someone else was thinking the same thing, now I know I'm not just crazy XD This explanation makes a lot of sense so it'd be strange if ball python females truly were heterozygous. I'd almost say the banana trait helps support them being homozygous.

Although if their genome has been sequenced and they are heterozygous it definitely adds a certain sort of mystery to the banana trait.
This is what it would appear at first glance without knowing that female snakes are the heterogamete. While the ball python has not had its genome sequenced, other species of snakes have had their genome sequenced and they have followed this rule. Obviously we cannot know for certain if the ball python follows this as well without sequencing its genome, but the possibility that it differs is unlikely.

If it turned out that the male was the heterogamete it would solve this problem. But as ohhwataloser stated, burms and balls have been hybridized, making it even more unlikely.


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