Back to Top. The operator gene controls the functioning of a specific series of structural genes. It lies adjacent to the structural genes which it controls. The cistrons are expressed when the operator gene is turned on by an inducer, and are not expressed when the operator gene is turned off by a repressor.
Included in the multiracial category is the Democratic presumptive nominee, Sen. Barack Obama. With a white mother from Kansas and a black father from Kenya, Obama is the nation's first biracial candidate for president.The media, however, have continually called Obama the nation's first major party black candidate, saying he could make history as the first black president..ith a white mother from Kansas and a black father from Kenya, Obama is the nation's first biracial candidate for president. The media, however, have continually called Obama the nation's first major party black candidate, saying he could make history as the first black president..
Barack Obama Biography for Kids. Barack Hussein Obama was born in Honolulu, Hawaii on August 4, 1961. His mother was Stanley Ann Durham, called Ann. She met Barack Obamaâs father, Barack Obama Sr, while she was taking a Russian language class at the University of Hawaii. Barack Sr., was of Luo ancestry. He had grown up herding goats in Kenya, but he earned a scholarship to the University of Hawaii. They married in1961.