Sickle Cell Anemia is a genetic disease (1 base pair mutation that changed a protein). It is common in those of African ancestry. S will represent the normal dominant allele and s for the recessive sickle allele. They are co‐dominant alleles. SS is normal, Ss is not fatal, ss is debilitating, painful and often fatal. Given enough generations, would you expect one of these alleles to completely disappear from the population? Why or why not? ​

Ithink b hope that

There's no options to. choose from

The  pelagic  region is divided into three zones. the top zone is the euphotic or sunlit zone. this is the ocean zone that sunlight penetrates. because this zone gets sunlight, photosynthesis can occur and plants can grow here.sub  zones. the oceanic zone is subdivided into the epipelagic,  mesopelagic, and bathypelagic zones. the epipelagic (euphotic) zone, also called the sunlit zone, receives enough sunlight to support photosynthesis.your question does not include multiple choice,but i can give you some info on what the 3 zones hope this : -)