Presentation on theme: "Chromosomes, mapping, and the meiosis-inheritance connection Chapter 13."— Presentation transcript:
Chromosomes, mapping, and the meiosis-inheritance connection Chapter 13
Chromosomal Theory of Inheritance Carl Correns Walter Sutton Thomas Hunt Morgan
Sex Linked Traits and Morgan Did Fly Experiment –P- crossed white eyed male with red eyed female –F1- all red eyed –F2 Found Odd ratio plus all white eyes were males….what does this suggest –Crossed Parental Male with F1 female…what did he find????
Sex Chromosomes What do they do? Are they the same in all species? SpeciesMaleFemale HumansXYXX BirdsZZZW GrasshoppersXOXX BeesHaploidDiploid
How does Y Chromosome Work? Sry Gene What happens if it is damaged?