假設人體的膚色是由兩對等位基因(A、a和B、b)所控制,則下列哪一種基因型的人膚色最黑?(深色的膚色等位基因為顯性)
翰林國中自然1下ch2-2人類的遺傳

Quiz
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Biology
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7th Grade
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Medium
翰林出版國中自然 翰林出版國中自然
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
AABB
AABb
AaBb
aabb
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於人類性狀的敘述,下列何者錯誤?
人類具有46條染色體,所以人類有46種性狀
人類的性狀種類繁多
人類個體間均有差異,性狀也不相同
世界上性狀全部都相同的人,機率極小
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
請問下列有關於人類A、B、O血型遺傳的敘述,哪一個選項是正確的?
屬於單基因遺傳
由兩種基因IA、IB所控制
IA是顯性等位基因,IB是隱性等位基因
若表現型是A型,則基因型必為IAIA
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
0%
50%
100%
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
父親的性染色體為XY,母親的性染色體為XX,下列敘述何者正確?
子女之性別由母親決定
女孩的XX染色體均來自母親
男孩的Y染色體來自父親,X染色體來自母親
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哥哥西恩和妹妹西英是雙胞胎,下列有關兩人的敘述何者正確?
因為是雙胞胎,所以染色體一模一樣
哥哥具有Y染色體,妹妹沒有
哥哥基因全部來自於父親,妹妹的基因全來自於母親
他們的X染色體全來自於母親
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
人類子代性別決定於下列哪一過程?
減數分裂過程
卵和精子的受精
受精卵的發育
受精卵的胎生
8.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
全臺灣的國中學生中,男生和女生的比例會接近下列何者?
2:1
1:2
1:1
3:1
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