Question: What is the field of studying DNA called?
About the article "DNA", section "History and anthropology".

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What gets tested.Y-DNA testing involves looking at the "junk" DNA segment of DNA on the Y chromosome trunk, to look for STRs and SNPs.
STRs and SNPs are called DNA markers 
Naked DNA is histone-free DNA that is passed from cell to cell during a gene transfer process called transformation or transfection.
In transformation, purified or naked DNA is taken up by the recipient cell which will give the recipient cell a new characteristic or phenotype.
Transfection differs from transformation since the DNA is not generally incorporated into the cell's genome, it is only transiently expressed.
In the field of DNA vaccines or genetic immunization, the term "naked DNA" was coined by Vical to mean DNA delivered free from agents which promote transfection.
Research on the use of naked DNA for DNA vaccinations and gene therapy has shown some initial success, but have not yet resulted in any generally available therapy. 
Ancient DNA is DNA isolated from ancient specimens.
It can be also loosely described as any DNA recovered from biological samples that have not been preserved specifically for later DNA analyses.
Examples include the analysis of DNA recovered from archaeological and historical skeletal material, mummified tissues, archival collections of non-frozen medical specimens, preserved plant remains, ice and permafrost cores, Holocene plankton in marine and lake sediments, and so on.
Unlike modern genetic analyses, ancient DNA studies are characterised by low quality DNA.
This places limits on what analyses can achieve.
Furthermore, due to degradation of the DNA molecules, a process which correlates loosely with factors such as time, temperature, and presence of free water, upper limits exist beyond which no DNA is deemed likely to survive.
Allentoft "et al" (2012) tried to calculate this limit by studying the decay of mitochondrial and nuclear DNA in Moa bones.
The DNA degrades in an exponential decay process.
According to their model, mitochondrial DNA is degraded to 1 base pair after 6,830,000 years at −5 °C.
Nuclear DNA degrades at least twice as fast as mtDNA.
As such, early studies that reported recovery of much older DNA, for example from Cretaceous dinosaur remains, may have stemmed from contamination of the sample. 
A DNA database or DNA databank is a database of DNA data.
A DNA database can be used in the analysis of genetic diseases, genetic fingerprinting for criminology, or genetic genealogy.
DNA databases may be public or private.
those databases do not normally hold DNA except for a short time.
DNA fingerprints or DNA profiles are made from the DNA and these are held electronically in the DNA database.
The largest DNA database in the world is CODIS, followed by the United Kingdom National DNA Database, and thirdly a Californian DNA database (its records are included in CODIS).
The Australian criminal DNA database is called the National Criminal Investigation DNA Database (NCIDD) and the Canadian equivalent is the National DNA Data Bank (NDDB)  
The portion (domain) of the transcription factor that binds DNA is called its DNA-binding domain.
Below is a partial list of some of the major families of DNA-binding domains/transcription factors: