Complex sentence: She produced the first genetic map for maize, linking regions of the chromosome to physical traits, and demonstrated the role of the telomere and centromere, regions of the chromosome that are important in the conservation of genetic information.
Split into simpler sentences: She produced the first genetic map for maize, linking regions of the chromosome to physical traits. She demonstrated the role of the telomere and centromere, regions of the chromosome that are important in the conservation of genetic information.