A mother with normal color vision and a color blind father have a color blind daughter. Which statement is true a. All daughters
must be color blind b. Some of there sons have normal color vision c. All of there sons carry a gene for color blindness d. None of their daughters will carry a gene for color blindess
The central nervous system of the frog is different from that of humans; if the optic nerve of a frog is cut, the animal will be able to see again within weeks but the same damage in humans would cause permanent blindness :).
