A recently published abstract for an upcoming chapter about Early Slavs shows the generalized view among modern researchers that Common Slavs did not spread explosively from the east, an idea proper of 19th-century Romantic views about ancestral tribes of pure peoples showing continuity since time immemorial.
Migrations and language shifts as components of the Slavic spread, by Lindstedt and Salmela, In: Language contact and the early Slavs, Eds. Tomáš Klír, Vít Boček, Universitätsverlag Winter (2019):
The rapid spread of the Proto-Slavic language in the second half of the first millennium CE was long explained by the … Read the rest ““Dinaric I2a” and the expansion of Common Slavs from East-Central Europe”
New paper Biparental Inheritance of Mitochondrial DNA in Humans, by Luo et al. PNAS (2018).
Interesting excerpts (emphasis mine):
Although there has been considerable debate about whether paternal mitochondrial DNA (mtDNA) transmission may coexist with maternal transmission of mtDNA, it is generally believed that mitochondria and mtDNA are exclusively maternally inherited in humans. Here, we identified three unrelated multigeneration families with a high level of mtDNA heteroplasmy (ranging from 24 to 76%) in a total of 17 individuals. Heteroplasmy of mtDNA was independently examined by high-depth whole mtDNA sequencing analysis in our research laboratory and in two Clinical
… Read the rest “Biparental inheritance of mitochondrial DNA in humans”