Changes in individual chromosomes - Aneuploidy

name chromosome constitution example
nullisomic 2n-2 wheat lines
monosomic 2n-1 corn lines for mapping
trisomic 2n+1

human syndromes
disomic n+2 fungi

Non-disjunction - Was classically worked out by Calvin Bridges in Drosophila

Second Generation Progeny

Down Syndrome

Text iGenetics by Peter J. Russell

This web site is provided for instruction in Botany and Zoology 342

by Kenneth G. Wilson,
Professor of Botany
Miami University
wilsonkg@muohio.edu