Answer:
Count the total number of boxes in your Punnett Square. This gives you the total number of predicted offspring. Divide the (number of occurrences of the phenotype) by (the total number of offspring). Multiply the number from step 4 by 100 to get your percent.
Horned Toads will squirt blood from their eyes if they are being attacked as a defense measure
They can have As geneticists both can be either (bb) because most brown-eyed people have homozygous for the relevant.
100,000 years ago is your answer