64. 後牙發育缺失(posterior tooth agenesis)主要是由於下列何種基因缺陷所致?
(A)Barx-1
(B)Pax-9
(C)Dlx-1
(D)Msx-1

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統計: A(116), B(345), C(80), D(74), E(0) #1727752

詳解 (共 3 筆)

#4142406
Mutation in genes, such as PITX-2, SHH, and PAX-9, are implicated in syndromes that result in tooth agenesis (missing teeth), a heterogeneous condition that affects various combination of teeth. Tooth agenesis is a common developmental anomaly in humans, affecting 2% to 10% of the population, excluding third molars.

[Ten Cate's 第九版]

PITX-2,SHH,PAX-9引起syndrome相關缺牙

WNT-10A則是導致non-syndrome相關缺牙

其他的三個選項是調控型態用的
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0
#6157321

記憶思路:

9-臼
Pax-9 後牙缺失 
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#3172649
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