Ying lives in China and does not know anything about her biological father's side of the family. Evidently, she is living within a system, where descent is traced only on the mother's side. Group of answer choices a. patrilineal b. egalitarian c. bilineal d. matrilineal

Matrilineal is the system, where descent is traced only on the mother's side in China.

Explanation:

There are three typesof unilateral descent: patrilineal, which follows only the line of the father; matrilineal, which follows only the side of the mother; and ambilineal, which either follows only the side of the father or only that of the mother, depending on the case.The Mosuo are a minority ethnic group living in the provinces of Sichuan and Yunnan, around China's Lugu Lake. Many people in the Mosuo practice a matrilineal tradition, tracing the descent through the family's female side.

Alloy of metals is the answer