function in. 1  chromosomal disorders (in chromosomal disorder) 2  crop production (in Poaceae: Economic and ecological importance) 3  fern evolution (in fern: Chromosome numbers and polyploidy) 4  speciation (in evolution: Polyploidy)
The American Medical Association (AMA), founded in 1847 and incorporated in 1897, is the largest association of physiciansâboth MDs and DOs âand medical students in the United States.
NASA was created by the National Aeronatics and Space Adminstration Act which was passed by Congress on July 16 1958. NASA became operational on October 1 of that year â¦ . Dwight Eisenhower was president.