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.
What is Tunnel Vision? April 25, 2011, cherran, Leave a comment. What is Tunnel Vision? Tunnel vision refers to a medical illness or condition wherein a personâs vision is limited to a central and circular view only. The peripheral part of the view is lost entirely. This condition may be caused by a variety of factors. One such factor is hypovolemia. This refers to loss of blood.