Excuse my ignorance, if it applies, but unless you know that to be a fact about Jamie Lee Curtis I found that remark uncalled for. Please, if you have documentation for this, let us see it. If not, consider other wording. Glenora Davenport Chamberlin >Well, I'll try again. Humans have two sex chromosomes. In the female, >there are two Xs. The male has one X and one Y. No normal female has a >Y chromosome, therefore if you are a normal female, you won't have any Y >chromosome at all to be analyzed. (There are some females who have a Y, >they can look very much like a normal female (e.g. Jamie Lee Curtis), >but they are always sterile). The DNA tests are being done on the Y >chromosome. Anyone who is a direct lineal male to male Davenport >descendant will carry the Y of the original progenitor. The small Y is >easy to analyze and can tell us if two males come from the same male >progenitor. So the only hope for you to be placed into any of these >lines is for you to find a male cousin named Davenport and have him >tested. I had to do that also, since my grandmother was the Devenport >in my line, so my Y DNA wouldn't be from a Devenport, but from a Banks. > >This doesn't mean you don't have any DNA from your Davenport ancestors. >Of course, you do. But because the Y is the only autosome that doesn't >get mixed over the generations, it is the only one that can be used for >these genetic tests. > >Mitochondrial DNA can also be used for genealogy testing. This is >inherited almost exclusively from the mother. However, there are only a >relatively few types of mitochondrial DNA, especially in Europe, so it >makes it less useful. Both males and females can be used for this >testing. > >

I apologize for offending you. Further discussion of this on this list is not called for. On Sun, 2003-06-29 at 00:58, Glenora Chamberlin wrote: > Excuse my ignorance, if it applies, but unless you know that to be a fact > about Jamie Lee Curtis I found that remark uncalled for. Please, if you > have documentation for this, let us see it. If not, consider other wording. > Glenora Davenport Chamberlin > > >Well, I'll try again. Humans have two sex chromosomes. In the female, > >there are two Xs. The male has one X and one Y. No normal female has a > >Y chromosome, therefore if you are a normal female, you won't have any Y > >chromosome at all to be analyzed. (There are some females who have a Y, > >they can look very much like a normal female (e.g. Jamie Lee Curtis), > >but they are always sterile). The DNA tests are being done on the Y > >chromosome. Anyone who is a direct lineal male to male Davenport > >descendant will carry the Y of the original progenitor. The small Y is > >easy to analyze and can tell us if two males come from the same male > >progenitor. So the only hope for you to be placed into any of these > >lines is for you to find a male cousin named Davenport and have him > >tested. I had to do that also, since my grandmother was the Devenport > >in my line, so my Y DNA wouldn't be from a Devenport, but from a Banks. > > > >This doesn't mean you don't have any DNA from your Davenport ancestors. > >Of course, you do. But because the Y is the only autosome that doesn't > >get mixed over the generations, it is the only one that can be used for > >these genetic tests. > > > >Mitochondrial DNA can also be used for genealogy testing. This is > >inherited almost exclusively from the mother. However, there are only a > >relatively few types of mitochondrial DNA, especially in Europe, so it > >makes it less useful. Both males and females can be used for this > >testing. > > > > > > > > > > > ==== DAVENPORT Mailing List ==== > For instructions on unsubscribing or searching the list archives visit: > http://homepages.rootsweb.com/~nvjack/davnport/group.htm > > ============================== > To join Ancestry.com and access our 1.2 billion online genealogy records, go to: > http://www.ancestry.com/rd/redir.asp?targetid=571&sourceid=1237