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.
Disease[edit | edit source] Exotropia is a type of eye misalignment, where one eye deviates outward. The deviation may be constant or intermittent, and the deviating eye may always be one eye or may alternate between the two eyes.