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African ancestry and admixture estimates throughout the Anglophone Caribbean.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	African ancestry and admixture estimates throughout the Anglophone Caribbean./
作者:	Benn, Jada.
面頁冊數:	1 online resource (82 pages)
附註:	Source: Dissertations Abstracts International, Volume: 68-08, Section: A.
Contained By:	Dissertations Abstracts International68-08A.
標題:	Physical anthropology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3230559click for full text (PQDT)
ISBN:	9780542849015

African ancestry and admixture estimates throughout the Anglophone Caribbean.
Benn, Jada.

African ancestry and admixture estimates throughout the Anglophone Caribbean. - 1 online resource (82 pages)

Source: Dissertations Abstracts International, Volume: 68-08, Section: A.

Thesis (Ph.D.)--The University of New Mexico, 2006.

Includes bibliographical references

Human diversity can be influenced by various social, cultural, and biological factors. Within the Caribbean, the interaction between these factors has resulted in the formations of bio-culturally diverse communities. Few studies have explored the implications of these factors on genetic diversity within Anglophone African-Caribbean communities. In this dissertation an anthropological genetic perspective is used to illuminate the nature of genetic variation and comment on African-Caribbean identity within the Anglophone Caribbean islands of Dominica, Grenada, St. Kitts, St. Lucia, St. Vincent, and Trinidad. Three central questions are addressed in order to meet these goals. The first question examines the extent of variation found within African-Caribbean populations and if this variation distinguishes Caribbean populations from African populations. The second question explores the role of admixture in shaping African-Caribbean variation. The third question investigates the African sources of variation within these communities. Each question was approached using sequence data from mitochondrial hypervariable region I, eleven Y chromosome short tandem repeats (STRs), a Y chromosome Alu insertion, and five autosomal DNA markers. Overall, both Caribbean mitochondrial DNA sequence and Y chromosome STR variation is high relative to African populations. In some cases, this variation is as high as or higher than the variation observed within Africa. Considering Y chromosome STRs, this variation has distinguished Caribbean populations from their African counterparts. Mitochondrial haplogroup analyses indicate that 86.3% of the Caribbean sample belongs to an African haplogroup. The remaining 13.7% belong to Eurasian or Native American haplogroups. Y chromosome analyses suggest that 72.6% and 27.4% of the Caribbean sample have African and European paternal ancestry respectively. Autosomal analyses indicate that nearly 80% of Caribbean ancestry is attributable to African contributions and 20% to Native American contributions. African sources of variation for these Caribbean populations lie West Africa, with the greatest concentration of Caribbean samples originating from the Bight of Benin and Bight of Biafra regions. The results presented in this dissertation have considered some of the genetic consequences of social, cultural, and biological interactions and in doing this has highlighted African-Caribbean identity.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9780542849015Subjects--Topical Terms:

518358
Physical anthropology.
Subjects--Index Terms:

AdmixtureIndex Terms--Genre/Form:

542853
Electronic books.

African ancestry and admixture estimates throughout the Anglophone Caribbean.
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