Brushes. 1  Chinese brushes usually have bamboo handles but are sometimes made of other materials such as hard wood, ivory and porcelain. The brushes used for calligraphy should have stiff tips. Most commonly, these are made from the hair of wolves. A large-size brush is easier for the beginner to handle.
Definition of TRANSPOSABLE ELEMENT. : a segment of genetic material that is capable of changing its location in the genome or in some bacteria of undergoing transfer between an extrachromosomal plasmid and a chromosome.ADVERTISEMENT.noun.efinition of TRANSPOSABLE ELEMENT. : a segment of genetic material that is capable of changing its location in the genome or in some bacteria of undergoing transfer between an extrachromosomal plasmid and a chromosome. ADVERTISEMENT. noun.
McClintock and the Ac/Ds Transposable Elements of Corn Barbara McClintock was the first scientist to predict that transposable elements, mobile pieces of the genetic material (DNA), were present in eukaryotic genomes.She performed her work on corn and specifically followed seed color phenotypes.cClintock and the Ac/Ds Transposable Elements of Corn Barbara McClintock was the first scientist to predict that transposable elements, mobile pieces of the genetic material (DNA), were present in eukaryotic genomes. She performed her work on corn and specifically followed seed color phenotypes.