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Genetic trait hitchhiker thumb

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Added: 18.01.2021
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Someone who has a thumb which bends backward when extended is said to have a hitchhiker's thumb. This is a genetic trait, and it does not interfere with the thumb's normal functions. Hitchhiker's thumb is also not linked with any other genetic conditions; it is simply an interesting phenotype , akin to people who can curl their tongues. To see if you have a hitchhiker's thumb, make a fist and extend your thumb.
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What is Hitchhiker's Thumb?

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What is Genetic? | What is Genetic ?

Click to see full answer Furthermore, is a straight thumb dominant or recessive? That said, having detached earlobes, a widow's peak, mid-digit hair and a straight thumb are generally considered to be dominant traits, although clearly their inheritance is complex. A dominant trait is one that only needs one copy of the dominant allele to be displayed. Also Know, is being double jointed dominant or recessive? If you do not have double jointed thumbs, you are recessive jj. Some people have "hitchhiker's thumbs ," which bend backwards with a large angle between the two segments phalanges.
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does hitch hikers thumb mean ur double jointed?

Family traits are passed down from generation to generation within a family line. Check out examples of family traits to see what physical characteristics and learned behaviors your family passed on to you or you might pass on. There are many definitions of family , but only one for traits. A trait is "a distinguishing quality or characteristic.
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Asparagus urine. When people clasp their hands, almost all have a strong preference; either the right thumb is on top R or the left thumb is on top L. Hand-clasping is sometimes used to illustrate basic genetics; the myth is that hand-clasping is controlled by one gene with two alleles, and the allele for L is dominant.
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