Biologists have discovered that different versions of a single gene, called NDP (Norrie Disease Protein), have unexpected links between color patterns in pigeons, and vision defects in humans. These ...

Many domesticated rock pigeons have the following four coloration patterns on their wings with different amounts of pigmentation: the darkest "T-check" pattern (top left), the slightly less dark ...

In a new study, a team led by University of Utah biologists has discovered that different versions of a single gene, called NDP (Norrie Disease Protein), have unexpected links between color patterns ...