Originally agenda was the plural of agendum, meaning a thing to be done. However, it became applied to a list of things to be done and in this, the most usual modern sense, it has become firmly singular with the plural agendas. Compare with Data.
A haplogroup is a genetic population group of people who share a common ancestor on the patrilineal or matrilineal line. Haplogroups are assigned letters of the alphabet, and refinements consist of additional number and letter combinations.ecause a haplogroup consists of similar haplotypes, it is possible to predict a haplogroup from the haplotype. A SNP test is required to confirm the haplogroup prediction. Not all the testing companies offer SNP testing, and consequently their customers' haplogroup predictions are sometimes inaccurate.
Maternal haplogroups are of greatest interest if (a) they have a known history or (b) they enable people to discover others who are related to them. Scientists are continually revising the tree that indicates which mutations define each maternal haplogroup, and how all the haplogroups are related.The more up-to-date the tree used for haplogroup assignments is, the more accurate and more meaningful those assignments are.n general the higher resolution the haplogroup, the more meaningful the sharing of a haplogroup. For example, if your haplogroup is H2, you share that haplogroup with over 600 23andMe customers; on the other hand, if your assignment is H2a2b, you share that with just over 60 customers.