Can girls be colorblind?
544769
yes, but the chances are low. The defective gene for colorblindness is on the X chromosome. A man has one copy of the X chromosome, so if he has that copy he'll be colorblind\n\nHowever a girl has 2 copies, and as long as they have one functioning copy, they won't be.\nHowever, if your father is colorblind, and your mother is a carrier for colorblindness, your chances as a girl for being colorblind is 50%
1148720
Color blindness affects about 8 percent of men, and approximately 0.5 percent of women. \n\nCheck out this link, it will tell you if you have colorblindness or not, and some more info about it:\nhttp://channels.netscape.com/atplay/colorblind.jsp
836496
No!  Not all guys are that blind!  I am lucky to be surrounded with good men who wouldn't give that girl the time of day.  Your friend is indeed blind.  I'm guessing he's also young.
90653
Because psychologists have studied the specific neurons that fire in the brain when the color blue is present.  We can decipher from the data that everyone is not colorblind.
4502
There is a test where there are a bunch small circles within a larger circle. A number is written in the small circle with a different color. If you can't read the number then you are color blind. It's called the Ishihara test.
969535
*   Color blindness (color vision deficiency) is a condition in which certain colors cannot be distinguished, and is most commonly due to an inherited condition. Red/Green color blindness is by far the most common form, about 99%, and causes problems in distinguishing reds and greens. Another color deficiency Blue/Yellow also exists, but is rare and there is no commonly available test for it.\n    * Depending on just which figures you believe, color blindness seems to occur in about 8% - 12% of males of European origin and about one-half of 1% of females. I did not find any figures for frequency in other races. Total color blindness (seeing in only shades of gray) is extremely rare.\n    * There is no treatment for color blindness, nor is it usually the cause of any significant disability. However, it can be very frustrating for individuals affected by it. Those who are not color blind seem to have the misconception that color blindness means that a color blind person sees only in black and white or shades of gray. While this sort of condition is possible, it is extremely rare. Being color blind does keep one from performing certain jobs and makes others difficult.\n\n The human eye sees by light stimulating the retina (a neuro-membrane lining the inside back of the eye). The retina is made up of what are called Rods and Cones. The rods, located in the peripheral retina, give us our night vision, but can not distinguish color. Cones, located in the center of the retina (called the macula), are not much good at night but do let us perceive color during daylight. Colour blindness is an inherited disease
246414
I'm not aware of any cures for color blindness, however, my brother has this problem. What he does if he doesn't have someone with him when he's shopping for clothes is he looks for racks that have coordinates on them. If he's in doubt, he asks a clerk if the outfit he's chosen looks good. He only has problems with green and blue. He chooses to take someone shopping with him, because most of his wardrobe consists of different shades of blue and green. \n\nYou may want to ask your opthamologist if there is anything that can help you with this. Good luck!
871471
you need to have 20/20 vision and if you're saying you're colorblind - the chance for you getting into the law enforcement field is close to 1%.  And what do you mean by 'i can see colors fine' .. to me, it meant that you can see the colors and can distingish between colors and how is that make you a colorblind person?  i am confused ~
600796
They don't.  That's a myth.  You yourself point out the fact that they're color blind.
207502
COLORBLIND WMEN ARE RARELY FIND. BUT IF SO HAPPEN THEN THE THIRD GENRATION WILL BE AFFECTED N NOT THEIR CHILDRN! AS WMEN HAV XX CHROMOSOMES N MEN HAV XY CHROMOSOME
399075
Yes.\n\nBoth colour blindness and hemophilia are X-linked, and recessive. This means that if you are male, you will have the trait (because you only have 1 X chromosome), but if you are female, you have to have the disease on both your X chromosomes.\n\nThe 'normal healthy woman' had to get a hemophilia-X from her father (since he only has 1 X) - call it X(h) - and he was *not* colourblind so the X(h) doesn't carry the colourblindness mutation.\n\nShe also *had* to get a colour-blind-X from her mother, since her mother has to have 2 copies in order to *be* colourblind - call it X(b). So, she is X(h) X(b).\n\nShe marries a colourblind but not hemophiliac man: he must be X(b)Y. No other option.\n\nThere are thus four different possible outcomes for their children:\n\nX(b) X(h) mates with X(b)Y:\n\nX(b) X(b) - colour blind daughter\nX(b) Y - colour blind son\nX(h) X(b) - normal daughter (but carries both recessive traits)\nX(h) Y - hemophiliac son\n\nHope that was clear enough! :)
429142
There are some girls at Ga school for the Blind.  No....wait, since they are blind they have a depth in their perception that might be beyond your apparently shallow comprehension.  So that relationship would not last long either.
542533
Is that where you re color blind? I suggest going to a college that people study to be an eye doctor and ask if that is in their curriculum. Its cheap and they can fix you blindness. also you are helping a student achieve their dreams
147816
Probably very high in men, very very low in women because it is carried on the Y chromosome.  \n\nFor a woman to be colored blinded, she has to have an extra chromosome (XXY) which isnt very common.  \n\nNow this is what I remember from 5th grade science. I am no scientist or doctor.  lol
709683
Color blindness is a sex-linked thing (giggles from the 5th grader)\nThe gene is on the X chromosome.  Men get one X and one Y chromosome.  If their X has the gene for color blindness, there is no matching gene on the Y chromosome to "cover" for the defective gene.  The color blindness is expressed.\n\nWomen, however, are blessed with 2 X chromosomes.  If they get a gene for color blindness, the other X usually has a normal gene that can "do the work" that the abnormal gene cannot.  Color blindness is not expressed, and she is a carrier of the gene.\n\nWomen can be color blind if their color blind Dad marries a carrier Mom, and she gets 2 defective genes.\n\nHow's that?
1172716
Obviously we're talking about those who were born blind and have neer seen color.  No, I don't think this can be done.  A blind person would have no frame of reference, nothing to relate to.
7427
You take a test at the eye doctor.  Color blind people generally only lack the ability to see certain shades of a color like purple for example.  They wouldn't be able to differnciate between a sheet of blue and a sheet of purple paper.