Interesting Engineering on MSN

Atlas blue butterfly packs 229 chromosomes, most of any multicellular animal

The butterfly lives in the mountain ranges of Morocco and northeast Algeria. It carries 229 pairs of chromosomes, while close relatives such as the Common blue butterfly have only 24.
Santa Rosa Press Democrat

Procedure shows chromosomes can survive intact, change host cells

WASHINGTON -- Scientists said Thursday they had transplanted a microbe's entire, tangled mass of DNA into a closely related organism, a delicate operation that cleanly transformed the recipient from ...