According to genetics theory, red-green colorblindness in humans is a recessive sex-linked characteristic. In this case, the gene is carried on the X chromosome only. We will denote an X chromosome with the colorblindness gene by X and one without the gene by X . Women have two X chromo...
32 Red-green colour blindness is a condition that occurs more frequently in men than in women.Which statement about this condition is correct?B A It can pass from father to son. B It is a sex-linked characteristic. C It shows co-dominance. D The gene is on the Y chromosome. 相关知...
The frequencies of red-green colour-blind males in the indigenous population of two regions of Britain, the Isle of Man (5·6 per cent) and Cumbria (5·0 per cent), do not readily fit into the pattern of a SW-NE gradient in the frequency of the colour-blind gene in Britain ...
(1)推理判断题。根据第二段This means that dogs see in a similar way to humans who are red-green colourblind.(这意味着狗看东西的方式和红绿色盲的人相似)可知从第二段我们可以得出结论,狗是红绿色盲。故选A。(2)细节理解题。根据第四段 Dogs are especially go
aThere are different forms of color blindness. In some cases a man can not be able to see deep red. He may think that red, orange and yellow are all shades of green. Sometimes a person cannot tell the difference between blue and green. In rare cases an unlucky man may see everything...
【解析】答案:B 核心短语/词汇: who:谁 the woman in red:穿红衣服的那个女人 句子译文: --穿红衣服的那个女人是谁? --她是格林夫人。 解析:根据题干可知本句的句意是“--穿红衣服 的那个女人是谁?--她是格林夫人。”“她”:sh e,在句中作主语,因此选B。her和his都是形容词 性物主代词,不...
Green. She teachesEnglish.Whenever I have trouble, I always askfor help. She is very nice andpatient. A. us; herB. our; herC.us;sheD. our; she 答案 27A相关推荐 1)27.-Who is the woman in red?Ms. Green. She teachesEnglish.Whenever I have trouble, I always askfor help. She is ...
Black:Black is the color of power.It is also popular in fashion because it makes people appear thinner.White:White is the symbol of purity.White is thought to be a summer color.However,white shows dirt and is more difficult to keep clean than other colors....
aColor is indispensable to life. If there is no color in the world is not a resplendent with variegated coloration,The life of the people is not so colorful. There are many colors ,I like red, green and blue. Red represents passion,Green represents life and environmental protection Give peo...
ais a mild color vision defect in which an altered spectral sensitivity of red retinal receptors (closer to green receptor response) results in poor red–green hue discrimination. It is hereditary, sex-linked, and present in 1% of males. 是红色视网膜感受器官修改过的光谱感光度的一个温和的...