Because the urine in the morning will be less contaminated than the urine after dinner
DNA markers between a suspect and a crime scene specimen are compared, including <span>DNA
minisatellites, short tandem repeats (STRs) and single nucleotide polymorphisms
(SNPs). The total markers that can be compared can number in the thousands, and therefore the chances of DNA fingerprinting identifying the incorrect suspect are negligible. </span>
The intensive system of keeping livestock is performed to cater the need of growing population, as people are declining day by day, who can afford to opt for their personal cattle. Thus also known as factory farming, where large amount of cattle are treated with full hygiene and facilities to produce more products like milk and milk products, egg, meat, etc. and with less cost. The basic features of intensive system are as follows:
- The area required for such farming is small as compared to general, thus less land can fulfill the need of large population.
- The method and technology used give employment to skilled workers and follow more rules and regulations to protect livestock from diseases.
- Help in maintaining economical aspects in national level, by increasing production in bulk with comparatively less input.
Mendeleev organized the chemical elements based on their properties.
Mendeleev put elements in order in the periodic table according to their physical and chemical properties. He noticed that properties of elements were related to their atomic mass in a 'periodic' way, so he groups of elements with similar properties into vertical columns in the table. His periodic table had initial 63 elements which then expanded to 108 or 109 elements.