Tag Archives: chromosomes

It’s official: the animal with the highest number of chromosomes is the Atlas blue butterfly, boasting a record 229 pairs. This is a pretty unusual finding since many of its closest relatives have just 23 or 24 pairs. The Atlas blue butterfly (Polyommatus atlantica) is native to the North African mountain ranges of Morocco and northeast Algeria.  It had long …

A team of Chinese researchers led by Prof. GAO Caixia from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences has developed two new genome editing technologies, known collectively as Programmable Chromosome Engineering (PCE) systems. The study, published online in Cell on August 4, achieves multiple types of precise DNA manipulations ranging from kilobase to megabase …