The answer to this question is that this are all common by
being x linked. X linked inheritance means that a disorder is manifested /
located in the x chromosomes. The following are the known X linked disorders
such as color blindness, hemophilia, duchenne muscular dystrophy, menkes
disease, and others.
Mixtures and pure substances
Answer:
is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris. ... Some examples of protozoa are Amoeba, Paramecium, Euglena and Trypanosoma.