Regina's Biology Blog December 2005 Archive

Research shows that animals that inhabit islands often exhibit gigantism. These massive animals are thought to be the result of isolation and lack of competition.

Do you know how many chambers there are in a frog's heart? Take this quiz to test your knowledge of frog anatomy.

A team of scientists and researchers have discovered a way to genetically correct sickle cell disease using a viral vector and RNA interference.

A daughter chromosome is a chromosome resulting from the separation of sister chromatids. For more information on biology terms, visit the: Biology Glossary.

The brachiocephalic veins are major blood vessels that join to form the superior vena cava.

Researchers use extracted genetic material from the jaw bone of a woolly mammoth to sequence its DNA.

A chromatid is one-half of a replicated chromosome. For more information on biology terms, visit the: Biology Glossary.

Researchers have uncovered the mystery of why the narwhal, or unicorn whale has a long, spiral tooth that protrudes from its head.

Are you curious about the internal functions of organisms, but find the thought of dissection disturbing? Virtual dissections allow you to learn about dissections without having to actually dissect an ... Read More

Researchers have deciphered the DNA of dogs. They have also located areas on canine DNA that predisposes dogs to certain diseases.

Metaphase is a phase in cell division where the chromosomes align at the metaphase plate. For more information on biology terms, visit the: Biology Glossary.

Environmental researchers claim to have discovered a new species of cat in Borneo. From reports, the animal looks to be a cross between a cat and a fox.

Telophase is the stage in cell division where the nucleus of a single cell is equally divided into two nuclei. For more information on biology terms, visit the: Biology Glossary.

Scientists reveal that the oldest known bird, the archaeopteryx, had jagged teeth and raptor-like feet.