chromosomes. A single (before replication) or double (after replication) strand of DNA with only a single centromere. Chromosomes contain the loci for alleles of different genes. The illustration below shows a chromosome with the parts labeled before (on the left) and after (on the right) replication.
Boo (dog) Boo is a Pomeranian that became an Internet sensation. Known for his short haircut, he has a popular Facebook page and is the subject of four photo books.[1] As of March 2016, Boo has over 17.5 million Likes on Facebook. Boo is owned by Irene Ahn, a Facebook employee.
Boos reappear in the game Super Mario Galaxy 2. They behave the same way they did in its predecessor. They are found in haunted levels such as Haunty Halls Galaxy and Boo Moon Galaxy. The underwater Boos from the predecessor also appear in this game, in the Battle Belt Galaxy and Slimy Spring Galaxy.