Some specific goals of the project include answering the following questions:

• How many different Drennan family groups can we identify, and what DNA signatures characterize the different lines?
• From which ancient clan father (the haplogroup patriarch from thousands of years ago) does each branch of Drennans descend?
• Can we use genetic matches to establish each family group's probable geographical place of origin?
• By comparing DNA results for people with well-documented pedigrees, can we trace any particular DNA changes (mutations) to particular Drennan ancestors and thus enable others to identify their ancestors even when they lack a definite paper trail allowing them to trace back that far?

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