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Maasai people in Tanzania (eastern side of the continent) have lactase-persistence. The Chagga people of Tanzania are NOT lactase-persistent. Fula people in Nigeria (western side of the continant) have lactase-persistence. Which groups are probably most closely related?

1) Chagga and Fula
2) Maasai and Chagga
3) All are equally related
4) Maasai and Fula

1 Answer

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Final answer:

The Maasai people in Tanzania and the Fula people in Nigeria, who both have lactase-persistence, are likely more closely related to each other compared to the Chagga people in Tanzania.

Step-by-step explanation:

The Maasai people in Tanzania and the Fula people in Nigeria are both lactase-persistent, meaning they can digest lactose in milk. On the other hand, the Chagga people in Tanzania are not lactase-persistent. To determine which groups are most closely related, we can look at the presence or absence of lactase-persistence. Since the Maasai and Fula people both have lactase-persistence, they are likely more closely related to each other compared to the Chagga people. Therefore, the answer is 4) Maasai and Fula.

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