The diagnostic term colo/scop/y literally means:

The term 'colo' means large intestine and the term 'scopy' means observing things with an instrument. Hence, the term coloscopy would mean the endoscopic observation of the large intestine. An CCD camera or a fibre-optic camera are the instruments that are used for this procedure. Coloscopy is generally termed as colonoscopy.

The method of colonoscopy is effective to diagnose a wide number of toxic diseases of the large intestine. Colon cancer can also be screened through this technique.

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explanation:

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an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.