General Genetics Ayesha M. Khan Spring 2013 1. X-Linked Characteristics X-linked color blindness in humans Light detecting cells: ◦Rods – See in shades.
X and Y Chromosomes. Sex Chromosomes Mammals use a chromosomal method of determining sex: XX is female and XY is male. Birds use a ZW system: ZZ is male.
Sex Determination and Sex- Linked Traits Chapter 4.
Changes in Chromosome Number. Chromosome Number Mutations Type of Mutation Difference from wild type chromosome number Aneuploidy Abnormal number of individual.
