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Picture: Researchers screened DNA extracted from ancient human remains to find genomic markers of parental relationship
.
Source: MPI Evolutionary Anthropology
The researchers reanalyzed the previously published DNA data of ancient humans over the past 45,000 years to find out how close their parents are
.
The results of the study are surprising: ancient humans rarely chose close relatives as their spouses
.
In order to analyze such a huge data set, the researchers developed a new computational tool to screen the parental relationship of ancient DNA
.
It can detect long-term identical DNA in two DNA copies, one inherited from the mother and one inherited from the father
.
In addition to determining inbreeding, the new method also allows researchers to study background correlations
.
This new method of screening parental relationships from ancient DNA provides researchers with a versatile new tool
.
Looking to the future, the field of ancient DNA is developing rapidly, and more and more ancient genomes are produced every year
.
DOI
10.
Article title
Parental relatedness through time revealed by runs of homozygosity in ancient DNA
