PERSEA CARRIES INSTRUCTIONS TO CHANGE CONES TO FLOWERS
May 19, 2009 by Sophie
Filed under Flowers, News, Reason Series
The origin of the flower, on of the key innovations of evolution, is the key to the origin of the angiosperms (flowering plants), which emerged about 130 million years ago. Researchers are trying to understand the original regulatory program, or set of genetic switches, that produced the first flower in the common ancestor of all living flowering plants. Flowering plants evolved from pre-existing genetic programs found in gymnosperms and then developed... Read more