The phrase "a subgroup of genetically" is not correct and seems incomplete in written English.
It could be used in a context discussing genetics, but it requires additional information to form a complete thought.
Example: "Researchers identified a subgroup of genetically distinct populations within the larger species."
Alternatives: "a subset of genetically" or "a category of genetically".
The evidence for a subgroup of genetically related Southern African Khoisan languages in the tree is, however, very thin and of such uneven quality that the reality of a Macro-Khoisan family has been questioned.
A nested RT-PCR was developed, that allows the generic detection of a subgroup of genetically related viruses with a distinct evolutionary history within the genus Ampelovirus.
Alternatively, ADHD could be a herald of later bipolar disorder in a subgroup of genetically susceptible individuals, indexed by a strong family history of bipolar disorder.
Medulloblastoma arise often in patients with the Turcot syndrome, a subgroup of which is genetically characterized by germline mutations in the APC gene (Hamilton et al, 1995).
This view, the evolutionary synthesis, suggested that mutation within individuals led to genetic variation within a population; should a subgroup of that population become genetically isolated in a novel environment, a mix of unbalanced variation and new mutation within the subgroup would lead to new phenotypes appearing.
In the brain of transgenic mice, we genetically defined a subgroup of glial progenitor cells in which the Plp1- and the Gfap-promoter are simultaneously active, giving rise to both astrocytes and NG2-positive glia.
A subgroup of Ecuadorian cacao collections recognized as being the genetically narrow 'Refractario', had in total 63 alleles and 4.2 alleles per locus [19].
At K = 6, a subgroup of 20 tropical japonica varieties, representing germplasm from US breeding programs, was genetically distinguishable from the rest of that subpopulation.
(A subgroup of roller-coaster fans later managed a side trip to Coney Island).
Fruitadens is one of a subgroup of ornithischians that survived for more than 100 million years.
