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.
Ten years later, it became a fortress housing a military unit, the Second Flying Company of San Carlos de Parras, who likely gave the mission the name Alamo. During the Texas Revolution, Mexican General Martin Perfecto de Cos surrendered the fort to the Texian Army in December 1835, following the siege of Bexar.fter forming in 1892, the Daughters of the Republic of Texas (DRT) began trying to preserve the Alamo. In 1905, Adina Emilia De Zavala and Clara Driscoll successfully convinced the state legislature to purchase the remaining buildings and to name the DRT as the permanent custodian of the site.