I don't know the ratio but I know that men are more likely to become colour blind because women have a backup gene.
alot more boys are colour blind than girls
Like Colour to the Blind was created in 1998.
Like Colour to the Blind has 340 pages.
Colour perception is carried on the X chromosome. Boys are XY, Girls are XX so in girls, colour perception is enhanced. If colour perception is lost on the X chromosome in boys, the effect is severe and effects between 1 in 12 to 1 in 20 boys. In girls the likelihood of both chromosomes being defective is very slight so colour perception problems in girls are very rare indeed (1 in over 200).
Colour Blind - 2004 is rated/received certificates of: Australia:MA
No.
no
The ISBN of Like Colour to the Blind is 978-1-85302-720-8.
No. Cows are not totally colour-blind as they can only see in blues and yellows, making them dichromatic animals.
Yes. There are color blind or blind girls who can't see it.
The males are ususally colour blind.
the counting crows sung colour blind