Different versions of a gene are called alleles. Alleles are described as either dominant or recessive depending on their associated traits. Since human cells carry two copies of each chromosome they have two versions of each gene. These different versions of a gene are called alleles.
by: Borzou Daragahi in Cairo. It was described as one the biggest heists in the history of bank robbery: more than $400m reportedly stolen from Mosul financial institutions by the Islamic State of Iraq and Levant, known as Isis, as it seized control of Iraqâs second-largest city of Mosul last month.
Luckily, none have resulted in deaths. The Big Dig fiasco has been running for over 20 years -- and at the rate it's going will take another 20 years to unravel. Big Dig boosters claim it's America's largest-ever highway project, the Taj Mahal of tunnel systems. If so, it was designed by the Marx Brothers, built by the Three Stooges and managed by Willy Sutton.