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Shared Samples
The 1000 Genomes Project shares some samples with the International HapMap Collection. The Family Relationships listed above includes those samples that were also part of the HapMap Project which can be found here.
Population Description
These cell lines and DNA samples were prepared from blood samples collected collected from people living in a particular community in Ibadan, Nigeria. Samples are from 60 parent-child trios, 9 parent-child duos, and 31 unrelated individuals. All parents in the trios identified themselves as having four Yoruba grandparents.
Referring to Populations
It is important to refer to this community as "Yoruba in Ibadan, Nigeria" when describing these samples in articles or presentations. Including the full name reinforces the point that the sample set does not represent all Yoruba people, whose population history is complex. The population should not be described merely as "African", "Sub-Saharan African", "West African", or "Nigerian", since each of those designators encompasses many communities.
Note that the adjective form is "Yoruba", as in "the Yoruba samples", not "Yoruban". The accent is on the first syllable (YOR-u-ba).
The full population descriptor is Yoruba in Ibadan, Nigeria and the abbreviation is YRI.
Additional guidance about how to refer to the populations can be found at Guidelines for Referring to the Populations in Publications and Presentations.
Principal Investigators
Trios:
Parent-Child Duos:
Unrelated Individuals: