[{"data":1,"prerenderedAt":68},["ShallowReactive",2],{"q-nurse-115-2-basic-medicine-023":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":37,"lastmod":67},"基礎醫學","basic-medicine","基礎醫學(包括解剖學、生理學、病理學、藥理學、微生物學與免疫學)",{"id":8,"webId":9,"year":10,"session":11,"subject":4,"number":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"explanation":22,"explanationDeep":23,"topics":24,"freq":27},"nurse-115-2-基礎醫學-023","nurse-115-2-basic-medicine-023",115,2,23,"有關體染色體隱性（autosomal recessive）遺傳疾病的描述，下列何者錯誤？",{"A":15,"B":16,"C":17,"D":18},"父母通常為帶原者，但不會發病","兄弟姐妹有二分之一的機率會發病","必須同時由父母雙方各遺傳有突變的等位基因（allele）才會發病","疾病的發病年齡通常很年輕","B",null,[],"本題考點是體染色體隱性遺傳的再發生率計算,問的是錯誤敘述。父母皆為帶原者時,依孟德爾分離律,子女機率為四分之一發病、二分之一為帶原者、四分之一完全正常,故 B 把兄弟姐妹的發病機率寫成二分之一是錯的,選 B。A 正確,帶原者只有一個突變等位基因,另一個正常基因足以維持功能而不發病。C 正確,隱性表現須父母各給一個突變等位基因、形成同型合子才發病。D 正確,體染色體隱性疾病多為酵素缺乏,常在嬰幼兒或兒童期即出現症狀。","遺傳題用棋盤方格(Punnett square)最保險:父母皆為 Aa 時子代為 AA、Aa、aA、aa,故 aa 為四分之一;二分之一是帶原者的機率,兩個數字容易被題目對調來考。體染色體隱性與顯性的對比:隱性常跳代、水平出現在同一代手足、近親婚配風險升高、發病年齡早;顯性則代代相傳、垂直分布、發病常較晚。台灣常見的體染色體隱性疾病包括海洋性貧血、苯酮尿症與脊髓性肌肉萎縮症,也是新生兒篩檢與婚前帶原檢查的重點。",[25,28,30,33,35],{"term":26,"count":27},"體染色體隱性遺傳",3,{"term":29,"count":11},"帶原者",{"term":31,"count":32},"孟德爾分離律",1,{"term":34,"count":32},"同型合子",{"term":36,"count":32},"再發生率",[38,42,47,52,57,62],{"webId":39,"stem":40,"number":41,"year":10,"session":11},"nurse-115-2-basic-medicine-024","關於肺癌的敘述，下列何者最適當？",24,{"webId":43,"stem":44,"number":45,"year":46,"session":32},"nurse-106-1-basic-medicine-070","下列何種疾病是由葡萄球菌引起的？",70,106,{"webId":48,"stem":49,"number":50,"year":51,"session":32},"nurse-107-1-basic-medicine-004","上頜骨不參與形成下列那個腔室？",4,107,{"webId":53,"stem":54,"number":55,"year":56,"session":32},"nurse-108-1-basic-medicine-042","下列何種狀況與紅色梗塞關聯性最小？",42,108,{"webId":58,"stem":59,"number":60,"year":61,"session":11},"nurse-109-2-basic-medicine-006","消化道的梅氏神經叢（Meissner’s plexus）位於下列何處？",6,109,{"webId":63,"stem":64,"number":65,"year":66,"session":11},"nurse-110-2-basic-medicine-040","梅克爾氏憩室（Meckel diverticulum）最常見的異位組織，下列何者正確？",40,110,"2026-08-06",1787299017577]