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.
In Super Mario World, Boos are called Boo Buddies, and they reside in the many Ghost Houses in the game. These Boos retain their usual pattern of attack from Super Mario Bros. 3 and sometimes make faces at Mario or Luigi.