By locking together traits that work well together, supergenes provide striking evolutionary advantages. But they can also be costly because they make it nearly impossible to purge bad mutations
Monarch butterflies' white spots may help them fly farther, scientists say kazu.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kazu.org Daily Mail and Mail on Sunday newspapers.
Monarch butterflies' white spots may help them fly farther, scientists say wkms.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wkms.org Daily Mail and Mail on Sunday newspapers.
Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.