Science Why do calico cats look so funky? Geneticists explain.

Calico cats obtain their fur color from the inactivation, or 'silencing,' of one of their X chromosomes. Scientists have now discovered a technique allowing them to observe the inactive X chromosome of female cells in immortalized mouse cell lines.

By , Staff writer

Mark Makela/Reuters

Ever wondered why calico cats have that unique speckled pattern on their fur?