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.
Smallest dog. In terms of height, the smallest living dog is Boo Boo, a long-haired female Chihuahua who proves that good things come in small packages. Boo Boo is just 4 inches tall and weighs in at a mere 2 pounds. She lives in Raceland, Ky., with her owner, Lana Elswick. You'll get a sense of the dog's true size through this adorable video of Boo Boo.