E
Earle Horton
Guest
"'nuther Bob" <[email protected]> wrote in message
news:[email protected]...
SNIPPY
> Secondly, laws against incest can be argued on the basis of science
> and reproductive issues...
Actually, they can't. In states where marriage between cousins is allowed,
such as Colorado where I live but, oddly, not Arkansas, the incidence of
hereditary birth defects in children of such marriages is only slightly more
than in the general population. (The statistics were summarized a couple of
years ago in a Denver Rocky Mountain News article about people who had
married their cousins.) Since most hereditary birth defects are the result
of autosomal recessive genes which carry a defect, and the reason that the
incidence is increased in the issue of cousin marriages is inheritance from
a common ancestor, we can easily and accurately extrapolate from the
incidence in cousin marriages to the expected incidence of hereditary birth
defects in issue of sibling marriages. The result is still pretty small.
In fact, it is not really large enough for government to bother with laws
against it on the basis of preventing birth defects.
No, you cannot argue for laws against incest on the basis of science and
reproductive issues. The only justification for such laws is that most
people find incest disgusting.
Earle
news:[email protected]...
SNIPPY
> Secondly, laws against incest can be argued on the basis of science
> and reproductive issues...
Actually, they can't. In states where marriage between cousins is allowed,
such as Colorado where I live but, oddly, not Arkansas, the incidence of
hereditary birth defects in children of such marriages is only slightly more
than in the general population. (The statistics were summarized a couple of
years ago in a Denver Rocky Mountain News article about people who had
married their cousins.) Since most hereditary birth defects are the result
of autosomal recessive genes which carry a defect, and the reason that the
incidence is increased in the issue of cousin marriages is inheritance from
a common ancestor, we can easily and accurately extrapolate from the
incidence in cousin marriages to the expected incidence of hereditary birth
defects in issue of sibling marriages. The result is still pretty small.
In fact, it is not really large enough for government to bother with laws
against it on the basis of preventing birth defects.
No, you cannot argue for laws against incest on the basis of science and
reproductive issues. The only justification for such laws is that most
people find incest disgusting.
Earle