So I have got my head in all sorts of research articles for my biochem assignment, and I came across a very interesting article about statistics of secretor/non-secretor across the blood types.

We all know that nonnies make up almost 25% of the general population, but this study broke up the figures for each blood group.

"The frequencies of secretor status in different ABO blood groups were 70.1% in group A, 67.8% in group B, 67.9% in group AB, and 88.3% in group O."

This study concluded that there is a much greater frequency of secretor status in blood group O than in any other group; conversely a much smaller ratio of non-secretors...in this study, less than 12%! In group A, non-secretors made up almost 30%!

Another statistic I found interesting was that of the 84 LDN's in the study of 762 people, just over 71% were secretors when saliva tested. Just over 28% were non-secretors. I had somehow assumed that if one was LDN, they would in all probability be a nonnie. Apparently, not so.

The article's doi is 10.2147/IJN.S13980

Interesting.  Since you have to have 2 non-secretor genes to become a nonnie I got one from my AB- Father & the other from my O+ Mother.

What is LDN?

Lewis Double Negative L(a-b-)

Typical non-secretors are L(a+b-)

Secretors are L(a-b+)