How Long Does Cialis Stay In Your System. how long does cialis stay in your system. ou acheter du cialis sans ordonnance en france. how long does cialis stay in your body. eli lilly 20 mg cialis and best price. Appreciating the time and effort you put into your website and detailed information you. offer.
Gene mutation on the X chromosome is most common and also explains why (depending on nationality) some 7% of males, but less than 1% of females exhibit color blindness of some form. Males only have one X chromosome, whereas females have two.
Genetic basis of Color Blindness. Color vision deficiency or color blindness is caused when the cone cells are unable to distinguish among the different light wavelengths and therefore misfire, causing the brain to misinterpret certain colors.ny mutations that affect the above genes causes the color vision deficiency. For example, a mutation affecting the first two genes would cause a defect in detecting the green and red color of the light spectrum.