In a matter of months, butterflies sporting the yellow and red wing color pattern of a wild species were created through simple laboratory crosses of two other wild species, researchers report in the June 15, 2006 edition of the journal Nature.
In a matter of months, butterflies sporting the yellow and red wing color pattern of a wild species were created through simple laboratory crosses of two other wild species, researchers report in the June 15, 2006 edition of the journal Nature.