| Ray Laughton 2005-03-19, 5:38 pm |
| Repeating Rifle <salmonegg@sbcglobal.net> wrote:
> in article 1gt7sse.f1amg9nsfj9cN%rlaughton@invalid.com, Ray Laughton at
> rlaughton@invalid.com wrote on 3/10/05 6:43 AM:
>
>
> The question that has not been answered so far is: Can a pair of twins in
> which one has situs inversus be monozygotic? I think monzygotic means
> arising from a single zygote. So another question is: How does situs
> inversus originate? Is it a genetic or is it developmental?
>
I was trying to break it to you gently but if you want a straight answer
its NO, no way only one identical twin can have situs inversus..
Its a genetic variable (resulting in a a developmental anomaly) and
hence my conclusion that the twins are not identical.
RL
|