Complex sentence: Based on genetic allele analysis, there are two distinct groups within "C. pepo": pumpkin, calabaza, criolla, and marrow squash are in one; and ornamental gourds, crookneck, acorn, scallop, and a few others in the second one.
Split into simpler sentences: Based on genetic allele analysis, there are two distinct groups within "C. pepo". Pumpkin, calabaza, criolla, and marrow squash are in one and ornamental gourds, crookneck, acorn, scallop, and a few others in the second one.