ANFS300 Lecture Notes - Lecture 9: Pseudoautosomal Region, Dihybrid Cross, Allosome

• School: University of Delaware
• Department: Animal and Food Sciences
• Course: ANFS300
• Professor: Schmidt

Document Summary

Genes provide the basic blueprint for an organism. The impact of a gene of an organism can be affected by the environment. The impact of a gene on the organism can also be affected by noise. Linked to inheritance of the se determining chromosomes. Linked to the genetic material of cytoplasmic organelles (mitochondria and chloroplasts) Starting population that give rise to progeny showing no variation in the trait of interest. Seed shape (round vs wrinkled - r vs r) Seed color (green vs yellow - y vs y) Contain 2 copies of the same allele. In diploid organisms, one sex is typically homogametic (havinf 2 of the same sex chrmoosomes (xx in humans) while th e other is heterogameatic (xy)) Because of this, inheritance recognizably different from autosomal inheritance. X and y share a pseudoautosomal region. This region exhibits similarity (homo) between the x and y chromosome. Many more males than females show the disorder.