A portion of the electromagnetic spectrum is visible to the human eye, but I'm not sure what your options are.
Answer:
be heritable and be an advantage to offspring
Im going with Genes inserted from other organisms.
<span>Benedicts test is used for testing reducing sugar in urine and food samples. Biuret test is used for testing proteins in a sample. Sudar Red test is used to detect lipids in a sample. For starch The Lugol test is carried out. when Lugols iodine is added to sample to the powder it will turn deep bluish black color showing the sample contain starch. The other tests will not give positive results with starch powder.</span>