Hermit crabs have the most chromosomes of any animal, with 254. Chromosomes carry genetic information in the form of DNA. Genes located on autosomes determine the inheritance of physical traits. Sex ...

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 ...

The Atlas blue butterfly, a tiny insect from the mountain ranges of Morocco and Algeria, has just set a remarkable record. Scientists have confirmed that this delicate creature carries 229 pairs of ...

Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

AMES, Iowa – In their long strings of nucleotides, DNA molecules hold massive troves of genetic data providing instructions for how living organisms should function – the blueprint of life. How the ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to adapt to several new challenges to life out of water. So, how did they do ...

Chromosomes are tightly coiled structures in each of your cells that contain DNA, the code for all life. DNA is organized in segments on chromosomes called genes. Humans typically have 46 chromosomes ...