1. 1 Chromosomes and Mitosis Chapter 1 Thompson and Thompson 2. 1 Chromosomal Basis of Heredity • A gene is a unit of heredity • Genes are carried on DNA • DNA is contained…

Slide 1 Chapter 15: Genetics Slide 2 Chromosome Theory of Inheritance The chromosome theory of inheritance states: –Mendelian genes have specific loci (positions) on chromosomes…

Slide 1 Chapter 15 Chromosomes Slide 2 Chromosome theory of inheritance Genes located on chromosomes = gene locus Thomas Hunt Morgan, Columbia Univ. “Fly room” Slide…

Slide 1 Section B: Sex Chromosomes THE CHROMOSOMAL BASIS OF INHERITANCE 1.The chromosomal basis of sex varies with the organism 2.Sex-linked genes have unique patterns of…

Slide 1 The Chromosomal Basis of Heredity 3 Slide 2 Human Chromosomes Humans have 46 chromosomes organized as 23 pairs which are homologous because each pair contains the…

Objective 10: TSWBAT explain the chromosomal basis of sex and the unique inheritance patterns of sex-linked genes. Although the anatomical and physiological differences between…

Chapter 17: Genetic Crosses Gametes All body cells except reproductive cells are called somatic cells e.g. cheek cells, liver cells etc. Somatic cells are diploid (2n) and…