眼睛棕色对蓝色是显性,位于常染色体上。一对棕眼的夫妇有一个蓝眼的儿子和一个棕眼的女儿

题型:单项选择题

问题:

眼睛棕色对蓝色是显性,位于常染色体上。一对棕眼的夫妇有一个蓝眼的儿子和一个棕眼的女儿,则女儿与她母亲有同样基因型的可能性占()

A.1/2

B.1/3

C.2/3

D.1/4

考点:高中生物基因的分离定律基因的分离定律题库
题型:单项选择题
阅读理解。
Basketball match: Changchun vs Shengyang
Day: Saturday
Time: in the morning (10:00)
Place: Changchun Stadium
Telephone: 70504266
Film: Superman
Day: Saturday
Time: in the afternoon and in the evening
         (15:00-17:00; 18:00-20:00)
Price: adult 16 yuan; child half price
Telephone: 62603941
Swimming lesson
Day: Thursday
Time: in the morning (8:00)
Place: Great Swimming Pool
Telephone: 58796324
Concert (音乐会)
Day: Wednesday
Time: in the morning (10:30-12:00)
Place: People Theatre
Price: 35 yuan
Telephone: 99687241
1. Where is the swimming lesson?
[ ]
A. Changchun Stadium.
B. Great Swimming Pool.
C. People Theatre.
D. Great Garden.
2. When is the concert?
[ ]
A. On Thursday (18:00-20:00).
B. On Saturday (10:00).
C. On Saturday (15:00-17:00).
D. On Wednesday (10:30-12:00).
3. If you want to ask something about the basketball match, you can call ______.
[ ]
A. 62603941
B. 70504266
C. 58796324
D. 99687241
4. On Saturday, you can ______.
[ ]
A. watch the basketball match and have the swimming lesson
B. see the film Superman and go to the concert
C. have the swimming lesson and go to the concert
D. watch the basketball match and see the film Superman
5. Two adults and one child will spend ______ seeing the film Superman.
[ ]
A. 87.5 yuan
B. 40 yuan
C. 8 yuan
D. 16 yuan
题型:单项选择题

《说苑•正谏》中有记载:“园中有树,其上有蝉,蝉高居悲鸣,饮露,不知螳螂在其后也;螳螂委身曲附欲取蝉,而不知黄雀在其傍也;…”虽然这是用以比喻社会现象的寓言,但却反映出生态学中的丰富内容.寓言中所述生物之间的捕食关系,可用下列哪条食物链来表示(  )

A.蝉→螳螂→黄雀

B.露水→蝉→螳螂→黄雀

C.树→蝉→螳螂→黄雀

D.黄雀→螳螂→蝉

题型:单项选择题

以下关于消化器官功能的组合,错误的是

A.肝脏——解毒

B.胰岛——参与调节糖代谢

C.肝脏——胚胎期参与造血

D.胰腺——参与蛋白质、糖类和脂肪的消化

E.胆囊——胆汁的生成

题型:单项选择题

读下图,回答下列问题。

(1)填写图中数码所代表的商品粮基地的名称。

    ①                         ②                        ③                        ④                        

(2)我国商品粮基地分布的地区,从地形上看,都属于              ,从气候上看,都属于                     。

题型:单项选择题

治疗血瘀型崩漏的最佳方剂是:()

A.血府逐瘀汤

B.四物汤合失笑散

C.逐瘀止血汤

D.桃红四物汤

E.少腹逐瘀汤

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