<span>Insertion is a type of mutation which adds nucleotide to an already existing gene sequence. It can lead to genetic disorders due to the change of gene sequence. An example of this genetic disorder is the trisomy 21 or commonly known as Down syndrome. Instead of having 46 cells, those people having this disorder have 47 cells because there is an extra copy of there gene 21.</span>
<h2>Symptoms of pneumonia</h2>
Explanation:
- Pneumonia is a disease that aggravates your lungs' air sacs (alveoli). The air sacs may top off with liquid or discharge, causing side effects, for example, a hack, fever, chills and inconvenience relaxing.
- Pneumonia has numerous potential causes. The most well-known are microscopic organisms and infections noticeable all around we relax. Your body for the most part keeps these germs from contaminating your lungs. Be that as it may, now and again these germs can overwhelm your safe framework, regardless of whether your wellbeing is commonly acceptable. Pneumonia is grouped by the sorts of germs that cause it, and where you gained the contamination.
- Advanced age, smoking, fundamental lung malady, lack of healthy sustenance, and incapacitated status are chance elements for creating pneumonia.
A scientific theory is an explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.