My parents both have hitchhiker's thumb but I don't

[From: ] [author: ] [Date: 11-12-24] [Hit: ]

http://udel.edu/~mcdonald/myththumb.html-There is always the possibility that you had a mutation during embryonic development that counteracted the effect of hitchhikers thumb. Im not sure of the details surrounding this condition so I cant say for sure.-I dont know, maybe because of other relatives-maybe a polygenic trait?......

My brother has it too, but mine is completely straight. If hitchhiker's is recessive, then how did I not get it if both my parents have it?

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This researcher concluded that this trait isn't a simple Mendelian trait, and further recommends that teachers stop using it as an example.
http://udel.edu/~mcdonald/myththumb.html

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There is always the possibility that you had a mutation during embryonic development that counteracted the effect of hitchhikers thumb. I'm not sure of the details surrounding this condition so I cant say for sure.

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I don't know, maybe because of other relatives

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maybe a polygenic trait?

1

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