Some groups of animals, predominantly those that are parthenogenetic, arose as a result of polyploidy. Proof of the role of polyploidy in evolution is given by the polyploid series, in which species of a single genus or family form a euploid series with increases in chromosome number that are multiples of the basic haploid number.
A Brief History of an Old Building: The Alamo The viceroy of Mexico authorized a mission in 1716, but it was not until 1744 that the first stones of the present Alamo were laid. Priests had the Catholic mission San Antonio de Valero built to use to convert the native Indians.he viceroy of Mexico authorized a mission in 1716, but it was not until 1744 that the first stones of the present Alamo were laid. Priests had the Catholic mission San Antonio de Valero built to use to convert the native Indians.
The Mission Period: 1700-1793. The story of the Alamo begins with the establishment of the Mission San Francisco de Solano near the Rio Grande River in 1700. There, Father Antonio de San Buenaventura y Olivares worked to convert many of the Coahuiltecan bands to Catholicism, the official religion of Spain. After Olivares traveled to Texas with an expedition in 1709, he was struck by the potential of the San Antonio area and later recommended it to the Spanish viceroy, Marques de Valero, as a site for a mission waypoint on the road to Spanish settlements in East Texas.