Mutation can result in several different types of change in sequences. Mutations in genes can either have no effect, alter the product of a gene, or prevent the gene from functioning properly or completely.Mutations can also occur in nongenic regions.n biology, a mutation is a permanent change of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.
Achromatic means literally âwithout colorâ. It can also refer to: Achromatic colors, âgreysâ or âneutral colorsâ, also black. Achromatic lens, a lens designed to minimize chromatic aberration. Achromatic vision: Monochromacy (total color blindness) Achromatopsia. Monochrome.
ophthalmoscope in Medicine. ophthalmoscope ophÂ·thalÂ·moÂ·scope (Åf-thÄl'mÉ-skÅp', Åp-) n. An instrument for examining the interior structures of the eye, especially the retina, consisting essentially of a mirror that reflects light into the eye and a central hole through which the eye is examined.