Toxoplasmosis is a disease caused by the Toxoplasma gondii parasite. More than 60 million people in the United States...
Albinism in animals - including humans - is caused by the inheritance of an altered copy of the gene responsible for regulating pigment production. Generally, the presence of a viable allele of this gene is sufficient for pigmentation to occur, so albinism is usually a genetic condition associated with a recessive homozygosity, i.e. the gene must be altered in both copies of chromosomes for albinism to occur.
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