flowerbug
Garden Master
and we keep learning more and more as time goes on... 
www.pnas.org
Microchromosomes are building blocks of bird, reptile, and mammal chromosomes
Genomes of birds and reptiles, but not mammals, consist of a few large chromosomes and many tiny microchromosomes. Microchromosomes are gene-rich and highly conserved among birds and reptiles and share homology with one or more of the tiny chromosomes of an invertebrate that diverged from the...
