Department of Energy Argonne National Laboratory Office of Science NEWTON's Homepage NEWTON's Homepage
NEWTON, Ask A Scientist!
NEWTON Home Page NEWTON Teachers Visit Our Archives Ask A Question How To Ask A Question Question of the Week Our Expert Scientists Volunteer at NEWTON! Frequently Asked Questions Referencing NEWTON About NEWTON About Ask A Scientist Education At Argonne Gene and Chromosome Location
Name: Tomas
Status: Other
Grade:  Other
Location: N/A
Country: Spain
Date: October 2008

Are completely identical genes found in different positions in the DNA or do they always appear in the same sequential order. For example: If genes a b and c appear in a strand in the order of a, b,c can they also appear as: b, a, c? And if so, does it make a difference?

Ordinarily, genes always maintain their sequential order. Genes are regions of a DNA molecule that are faithfully replicated every time the chromosome duplicates. Accidents due occur sometimes causing inversions, duplications, deletions or translocations of genes.

Ron Baker, PhD.

Click here to return to the Molecular Biology Archives

NEWTON is an electronic community for Science, Math, and Computer Science K-12 Educators, sponsored and operated by Argonne National Laboratory's Educational Programs, Andrew Skipor, Ph.D., Head of Educational Programs.

For assistance with NEWTON contact a System Operator (, or at Argonne's Educational Programs

Educational Programs
Building 360
9700 S. Cass Ave.
Argonne, Illinois
60439-4845, USA
Update: June 2012
Weclome To Newton

Argonne National Laboratory