1. TYPES OF GENE ACTION AND MODIFICATION OF MENDELIAN RATIOS Complete dominance – a type of gene action in which one allele at locus completely masks the effect of another…
1. LECTURE 3 2. OBJECTIVES At the end of the lesson, students should beable to : Explainthe Mendel’s experiment on dihybrid cross. Explaindihybrid cross. StateMendel’s…
Slide 1Example: A red flowered plant is fertilized with pollen from a plant of unknown phenotype. 62 seeds are collected, planted the next year and grow into the F1 offspring.…
Slide 1 Chapter 13 MENDEL AND THE GENE Why do we look like family members or not? Slide 2 History It started with farmers and botanists Knight used pure breeding peas, one…
Slide 1 Patterns of Inheritance (Mendelian Genetics) Slide 2 Gregor Mendel 1890’s Central European Monk Conducted research on pea plants Used garden peas Easy to grow Can…
Slide 1 Genetics Punnett Square Practice Slide 2 Genetics Practice Problems 1. For each genotype below, indicate whether it is heterozygous (Ht) or homozygous (Ho) AABb CcDD…
Slide 1 B IOLOGY C HAPTER 8 Heredity Slide 2 8.1 O BJECTIVES Discuss Mendel’s experiments and his results. Explain the three principles of genetics Mendel obtained through…