• The study , published in the journal Science , reveals that no genetic exchange took place between the tiny extinct hominin species Homo floresiensis , which once inhabited Flores, and the ancestors of a group of extremely short-statured humans who live there today. (cosmosmagazine.com)
  • In addition, admixture-which is far more common than previously thought [ 5 ]-blurs the species limits for extinct groups, especially since the morphological identification of hybrids is difficult. (royalsocietypublishing.org)
  • In general, the surviving taxa were rare before the extinction, suggesting that they were generalists who were poor competitors when times were easy, but prospered when specialised groups became extinct and left ecological niches vacant. (wikipedia.org)
  • This is a major tenet in modern evolutionary biology and there are numerous successful case studies in terrestrial systems, particularly in oceanic archipelagos. (pnas.org)
  • To investigate the evolutionary implications of such habitat shift, an appropriate choice of organism group is essential. (pnas.org)
  • The current disjunctive distribution of Gammarus indicates that the evolutionary history of this group may bear a clear signature of past geological events, such as the plate tectonic effects and the Tethyan events described below. (pnas.org)
  • In the present study, by using lymphoblastoid cell lines (LCL) derived from human subjects of European ancestry, we undertook a systematic genetic, gene expression and evolutionary analysis of a previously uncharacterized 56-kb deletion CNV, located on the subtelomeric region of human chromosome 5q35.3, in a cluster with several genes encoding tripartite motif-containing (TRIM) proteins and genes involved in the olfactory system. (biomedcentral.com)
  • More precisely put, sometimes molecular clocks show fewer molecular differences than an evolutionary interpretation of the fossil record would predict. (evolutionnews.org)
  • The recurring theme of the Book of Mormon is the coming of the Savior Jesus Christ first to the Old World, as witnessed in the Bible, followed by a brief ministry after his resurrection to a group of disciples who received him in the Americas. (bmaf.org)
  • It includes the study of genetic change and the consequent variation that often results in speciation, one of the most important types of radiation into taxonomic groups called clades. (wikipedia.org)
  • Each taxonomic group-whether it be as limited in scope as a subspecies of fish or as extensive in scope as all St. Bernard dogs, all whales , all mammals , all vertebrates , or all human beings throughout history-shares a common ancestor or pair of common ancestors. (newworldencyclopedia.org)
  • However, the Malayo-Polynesian language family initially excluded Melanesia and Micronesia , due to what they perceived were marked physical differences between the inhabitants of these regions from the Malayo-Polynesian speakers. (wikipedia.org)
  • Thus, we determined a complete catalog of the ancestry of the Timorese by analysis of whole exome chip data and haplogroup analysis of SNP genotypes determined by sequencing the Hypervariable I and II regions of the mitochondrial genome and 17 genotyped YSTR markers obtained from 535 individuals. (frontiersin.org)
  • A total of 516 individuals from eight Caribbean islands were typed for 109 ancestry informative markers and a subset of individuals were also typed for their mitochondrial haplogroup. (blogspot.com)
  • We investigated relationships between socioeconomic factors and brain morphometry, independently of genetic ancestry, among a cohort of 1,099 typically developing individuals between 3 and 20 years of age. (blogspot.dk)
  • Study finds no evidence that a community of extremely short people who live where Homo floresiensis once roamed share ancestry. (cosmosmagazine.com)
  • By accessing the UK Biobank , the researchers were able to examine genomic data of more than 450,000 people of European ancestry, and identified numerous variations linked with reduced height. (cosmosmagazine.com)
  • OK Oleg, but almost all modern day Europeans, especially those from across Northern and Eastern Europe, do derive a lot of their ancestry from Bronze Age steppe groups closely related to the Yamnaya people of the North Caspian. (blogspot.com)
  • A small part of the Book of Mormon describes a different group of people of unknown Old World origin, called the Jaredites, disappearing (at least as a civilization) by the time the second group of migrants made their journey to the Western Hemisphere. (bmaf.org)
  • However, the ecosystem structure is significantly rearranged, with the abundances and distributions of different groups of plants changing profoundly. (wikipedia.org)
  • Anyone who has lived through the crises and controversies of the last half of the twentieth century will be able to recall numerous instances where two opposing groups made claims which directly contradicted each other. (rtforum.org)
  • Among children from lower income families, small differences in income were associated with relatively large differences in surface area, whereas, among children from higher income families, similar income increments were associated with smaller differences in surface area. (blogspot.dk)
  • No group, no matter how large or small, may use the organs of government, of which the public schools are the most conspicuous and influential, to foist its religious beliefs on others. (edge.org)
  • The apparent discrepancy between the Book of Mormon narrative and the published genetic data must be addressed in lieu of generally accepted population genetic principles that are efficient in large-scale population studies, but are somewhat weak and limitative in detecting genetic signals from the introgression of DNA by small groups of outsiders into a large, and well-established population. (bmaf.org)
  • 1 The descendants of this small original group later divided into two opposing factions, called the Lamanites and the Nephites, and the rest of the volume focuses mainly on the spiritual and social dynamics between these two groups, including their warfare. (bmaf.org)
  • Our data suggest that wider access to resources likely afforded by the more affluent may lead to differences in a child's brain structure. (blogspot.dk)
  • This appeared to reflect differences in the early rates of change of glucose concentrations. (edu.au)
  • Although basal insulin levels were similar in the three groups, there were striking intergroup differences in the insulin responses to glucose. (edu.au)
  • A phylogenetic analysis showed that Gammarus originated from the Tethyan region with a saline ancestry in the Paleocene, and later colonized the freshwater habitat in the Middle Eocene. (pnas.org)
  • This paper analyzes the second case of headshaping on a female skeleton uncovered in 2009 and allows for the wider discussion of the presence of a larger group related to the Huns in the city of Maroneia. (blogspot.com)
  • One major difference is the totipotent nature of plant cells, allowing them to reproduce asexually much more easily than most animals. (wikipedia.org)
  • If correctly reported, she reveals that she thinks that material resources (within the range experienced by US citizens) lead to a difference in the child's brain, and presumably thereby to intelligence. (blogspot.dk)
  • in addition to a significant difference in salinity, locally adapted coinhabitants provide different resources and competitions ( 7 ). (pnas.org)
  • A speciose group with limited long-distance dispersal ability, occurring in both freshwater and saline water and inhabiting an area with well-known geological history, would be ideal ( 8 ). (pnas.org)