The only people with rh negative blood are people who have inherited two recessive alleles for this trait. but some people who are colorblind have inherited only one recessive allele for this trait. explain why these traits are different in terms of how many recessive alleles are needed to produce the recessive phenotype.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )