Basics: How Teeth Became Tusks, and Tusks Became Liabilities

Humans, mice, narwhals — most mammals rely on ancient genes to produce teeth and tusks. But the tuskless elephants of Africa show that nature can quickly alter the code.
Source: NYT Health - Category: Consumer Health News Authors: Tags: Elephants Ivory Poaching (Wildlife) Teeth and Dentistry Whales and Whaling Genetics and Heredity Evolution (Biology) Biology and Biochemistry Africa Source Type: news