\name{chrLength}
\alias{chrLength}
\title{Chromosomes lenghts}
\description{A list containing chromosome lengths for hg19, mm9 and rn4 genome releases}
\usage{chrLength}
\format{A list with three observations: chromosome lengths for hg19, mm9 and rn4 genome releases}
\author{Raffaele A Calogero}
\keyword{ datasets }