Pick out characteristics that are reliably passed down and easy to identify, such as
fly eye color and wing shape.
Not exact matches
But if its ever going to be looked over, this will be the year, because the # 1 criteria is the
eye test, and this team still passes that with
flying colors.
The researchers took female fruit
flies from six different strains and mated each with two males: one guy, with an
eye -
color mutation, got lucky every time; the other was a male picked from one of the six strains.
Collins and Anthony James of the University of California, Irvine, thought they might use the mutant bug to test a fancy trick: Take a bit of DNA, called a transposon, that likes to wiggle into genomes, and use it to insert a fruit
fly gene for darker
eye color into a mosquito's DNA.
By temporarily modifying the function of Polycomb Group (PcG) proteins — which play an essential role in development — the researchers obtained fruit
fly lines having the same DNA sequence but different
eye colors.
With such rapid progress, the field has likely raced well beyond the high school biology textbook your class used to study alleles, fruit
flies and
eye color inheritance.
For a person who is used to passing
eye exams with
flying colors, it was a humbling experience.
Not only is the
color an
eye - catcher... the butterflies are actually sewn on to look like they're
flying off of you!
These paintings present a boldly
colored world of alien lounge singers,
flying saucers en route to modified ziggurats, and one -
eyed nymphs bounding naked through nuclear landscapes.
The Birdsbesafe web site says that for success, the cat's collar has to be visible to the bird, the bird must be a songbird whose
eyes have the special anatomy to see bright
colors especially well; and the bird must have time to and be able to
fly away.