DAK

  What is DNA fingerprinting?   Alec Jeffreys DNA fingerprinting is a technique to identify a person based on his/her DNA specificity. Every individual organism is unique. Thus every person has unique DNA fingerprint. It can't change by any known technique. It is a quick way to compare the DNA sequences of any two individuals. DNA fingerprinting developed by Alec Jeffreys.     Paternity test Applications:   Paternity test Criminal Identification Determination of population diversity Determination of genetic diversity   Principle: It has found that the DNA of an individual carries some specific nucleotide sequences which don't code for any information or proteins. These sequences repeated many times and found at many places throughout the DNA. These sequences of satellite DNA which are very specific in each individual and vary in number from person to person and are inherited. These are a variable number of tandem repeats (VNTRs). Each individual inherits these repeats from his/

  Halloween is one of the most popular festivals in the world. This festival has other names such as Allhalloween, All Hallow's Eve, All saint's Eve. It is a Celtic festival originated from Ireland. Firstly, it spread in Europe and reached to America with Irish immigrants in the late 1800s.   How To Celebrate Halloween   People celebrate this festival by attiring like ghosts, witch and monster. Parties organised, people make pumpkin face lanterns and pumpkin sweets. Dressed children go to houses and ring the doorbell and speak very famous dialogue that is "trick or treat " then the house owner give them candies or sweets as a bribe not to do prank with them. Ancient people celebrate it with the bonfire.   When To Celebrate Halloween   It celebrated on 31 October every year. According to the Celtic calendar this the last day of the year, you can say it Celtic new year eve. It is also the end of harvesting season in the origin country. It is also related to the starting