The outward manifestation of a disease, often influenced by both genes and the environment, is called the disease:
a. genotype.
b. allele.
c. phenotype.
d. dominance

C. phenotype.

Explanation:

The disease phenotype is an observable characteristic or trait of a disease. It is influenced by the genetic make up and the surrounding environment of the organism. The appearance of symptoms, biochemical and physiological development of the disease is associated with the traits inherited from parents and also under the influence of the environment.

ability to bond woth oxygen

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