n. The branch of genetics that studies the relationships between the structure and number of chromosomes as seen in isolated cells and variation in genotype and phenotype
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the branch of biology that studies the cellular aspects of heredity (especially the chromosomes)
Word Usage
"And, we always have to remember that they worked from the deduction of genetics and cytogenetics with no knowledge that even the genetic material was DNA."