Answer:
An amount that has to be paid or spent to buy or obtain something is called cost.
It might be because making it a hybrid could help get nutrition and other things it needs. I don't know exactly though
The red-green color blindness is a recessive X-linked trait. The females are not affected unless both the X chromosomes have the affected allele. Mostly, the females are the carriers, and the males are affected as they have only one X chromosome. In the given pedigree, the father of Irene have the normal allele, while her mother is a carrier. However, Irene is neither a carrier nor affected. This means that she carries normal alleles on both X chromosomes. Hence, her allele combination is .
hot pink......................................
It has not. Evolution is not a process that can happen to individual organisms; it's change that happens to a species over many generations.