twins

Ron Apland apland at mala.bc.ca
Fri Feb 20 12:36:05 EST 1998


> <snip>
>>Even identical twins, however, are of at least two kinds. All share
>>original nuclear DNA, but some may have different mitochondrial DNA.
> <snip>
> 
>       Forgive my ignorance, but pray tell how identical twins may 
> possess different mitochondrial genomes?

Ditto for me. Does not the molecular clock method of tracing human 
ancestry depend on mitochondrial DNA? If cells of a person
have different mitochondrial DNA or mitochondria within a cell have
different DNA then how is this molecular clock calculated?

Ron   




More information about the Ageing mailing list