According to Ohno's hypothesis, most gene duplicates, being functionally redundant, are eliminated from the genome (nonfunctionalization), except for rare occasions when beneficial mutations could lead to a new gene function (neofunctionalization) [21].
Grass spends most of his time at Behlendorf, rarely venturing out except for family occasions.
Except for special occasions like this, Bob has no set schedule of recording dates.
The rest of the time silence was maintained except for legal occasions when separation alimony, divorce, and child-support papers passed between Roddy and Garlin.
Typically, Mr. DeVito said, people gravitate to a home's kitchen and family room, leaving the living room lonely except for formal occasions.
In a classic formal Italian meal, risotto is a small course, preceded by antipasti and followed by a more substantial meat course, though hardly anyone eats that way anymore except for special occasions.
Except for two occasions when Cross missed going on the air because of his wife's illness, every Metropolitan Opera broadcast has been announced either by Cross or Mr. Allen.
Tory MP Sir Michael Spicer retorted sarcastically that it was "a great honour" to have Mr Sedgemore at the launch "because he very rarely shows up except for public occasions".
Other changes include allowing the public to file complaints directly to the Board of Ethics, rather than through the Town Council, and banning elected officials from soliciting money from town employees, except for special occasions (like a co-worker's wedding) and for no more than $75.
On a recent day, the 44-year-old Mr. Dillingham -- who has the six-foot, 200-pound frame of a linebacker and is a certified diver -- was dressed in faded jeans and a short-sleeve shirt the blue color of the bay, typical work clothes except for those occasions when he has to gird himself for battle in Trenton to lobby legislators and officials.
