I say this as a geneticist, with all too much of an idea of what these probabilities are: Don't worry about the numbers. It'll just make you crazy. You do what you can, and after that, it's just biology. Biology is often messy, and sometimes seems irrational. But all of us here are the product of it, and we're well out of beta as a product.
And, seriously, just think about living life like that every day, where every time you pick up an ear of corn, you automatically see all the places where transposons have jumped, where the kernel has failed, etc. Or where you look at a tree and see the somatic mutations arising which have affected the leaf shape on that part of the tree. Or where you look at every human you meet and subconciously eye up their BMI, skin, eyes, etc. and consider how it relates to every other human you've ever met before and catalog the new variation you see and think, "Huh, I wonder why these (5 random people I've met in 30 years) all have that funny ridge on their skull where their jaw muscles attach... that's neat, I bet with a large enough sample size I could map that...I'd bet money that at least one of the alleles is in a HOX gene... that would be so cool." Yeah. Genetics. It's fun.
(and if you want good numbers, look here or just ask your friendly neighborhood geneticist).
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I say this as a geneticist, with all too much of an idea of what these probabilities are: Don't worry about the numbers. It'll just make you crazy. You do what you can, and after that, it's just biology. Biology is often messy, and sometimes seems irrational. But all of us here are the product of it, and we're well out of beta as a product.
And, seriously, just think about living life like that every day, where every time you pick up an ear of corn, you automatically see all the places where transposons have jumped, where the kernel has failed, etc. Or where you look at a tree and see the somatic mutations arising which have affected the leaf shape on that part of the tree. Or where you look at every human you meet and subconciously eye up their BMI, skin, eyes, etc. and consider how it relates to every other human you've ever met before and catalog the new variation you see and think, "Huh, I wonder why these (5 random people I've met in 30 years) all have that funny ridge on their skull where their jaw muscles attach... that's neat, I bet with a large enough sample size I could map that...I'd bet money that at least one of the alleles is in a HOX gene... that would be so cool." Yeah. Genetics. It's fun.
(and if you want good numbers, look here or just ask your friendly neighborhood geneticist).