Which of what? What’s the rest
1 reason is to kill disease in water
These pills inhibit ovulation processes as well as implantation. Therefore, women can prevent unplanned pregnancy by using these pills
You can't have a carrier with a dominant pedigree because other wise than individual or organism would be afflicted by the gene and render them incapable of being a carrier. A carrier is an individual/organism that has a normal phenotype (meaning it is not afflicted by said gene) but is carrying the gene that could cause disease or whatever the affect may be. In this case the gene would have to be homozygous recessive to be expressed. Hopefully this helps!
