7
votes
Accepted
How is hereditary cancer risk estimated?
There are really two distinct questions here, but they are common.
Is cancer heritable?
Is cancer (or cancer risk) contagious?
tl;dr
Most cancer cases are not heritable. Some are. Heritable cases ...
- 3,153
5
votes
Accepted
Is having a congenitally fused heart valve a hereditary condition?
Short answer: Yes.
Fused leaflets?
The condition you’re referring to is known as Congenital bicuspid aortic valve (BAV). It is the most common congenital heart valve abnormality, present in 1-2% of ...
- 4,355
5
votes
Accepted
Fainted history in both myself and my father. Can it be related?
There is, unfortunately, no yes or no answer to this, especially not on-line. However, these information can help:
There can be various underlying causes of fainting, mostly cardiovascular or ...
- 2,803
4
votes
Is having a congenitally fused heart valve a hereditary condition?
I would just like to add one point. There are 3 important causes of aortic valve stenosis: congenitally bicuspid aortic valve, senile calcific aortic stenosis and rheumatic heart disease. In advanced ...
- 950
2
votes
Accepted
Are dimples and cleft-chins (aka dimple chins, butt chins) genetic?
DIMPLES
Professor McDonald, citing limited research, concludes dimples have been mislabeled as genetically inherited and as a dominant trait. However, the University of Utah considers dimples an "...
- 1,848
2
votes
Accepted
Rheumatoid arthritis heritability
Odds vary.
The most straightforward study I could find was Koumantaki et al. (1997), which found several odds ratios for developing rheumatoid arthritis:
4.4 for individuals having a first degree ...
- 1,838
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