Tag: "sharks" at medical news
Researchers Document First Case of Virgin Birth in Sharks
...h of a shark in an aquarium, that had only female sharks
which had no contact with a male shark for three y...uding a possible insemination in one of the female sharks
in the aquarium. Female sharks
have an organ that can store sperm, but a three-year storage would ...
Genes Associated With Limb Development is More Primitive Than Believed
...to that seen in more primitive vertebrates such as sharks
and many fossil fish. The researchers studied the development of paddlefish fins to test whether the genes activated to make hands and feet in tetrapods were different from the genes activated to make fish fins. They looked at Hox geneswhich play...
UF scientists Throw light on the origin of vertebrate skeleton
...volution that unites us with reptiles, amphibians, sharks
and bony fishes, while the lamprey skeleton was based on quite different proteins," said Martin Cohn, Ph.D., a developmental biologist and associate professor with the UF departments of zoology and anatomy and cell biology. "Knowing that lampreys als...
Marine Reserves Protect Coral Reefs
...and and Sea Park was fun because a large number of sharks
turned up to watch us work. Sharks have been heavily fished on most coral reefs so it's always a thrill to visit one of their sanctuaries," Mumby added. Edited (ANI)...