Variation in Chromosome Structure

Variation in Chromosome Number

Define aneuploidy. 

What is trisomy?

Define polyploidy.
This is pretty much restricted to the plant kingdom. Perhaps we will address the role of polyploidy in plant evolution later this semester.

Problems in Heredity: Chromosomal Aberrations

Be familiar with deletions.

What is Cri du chat? (symptoms & genetic cause)

Translocation: 14/21 Downs

Define translocation.

That's it. Just listen to the rest.