An Athenian fleet had been driven ashore at Pylos by a storm, and, at the instigation of Demosthenes, the Athenian soldiers fortified the peninsula, and a small force was left there when the fleet departed again.
According to the official Guidelines for Human Gene Nomenclature, a gene is defined as a DNA segment that contributes to phenotype/function. In the absence of demonstrated function a gene may be characterized by sequence, transcription or homology.. Genes are composed of DNA, a molecule in the memorable shape of a double helix, a spiral ladder. Each rung of the spiral ladder consists of two paired chemicals called bases.
A: Chromosomes are made of long aggregates of genes formed from condensed chromatin. Chromatin is made up of DNA, proteins, RNA and other macromolecules. It is located in the nucleus of a cell and becomes a chromosome during the prophase stage of mitosis in eukaryotic cell division.