1. Dominance
2. Independent assortment
3. Use and misuse
4. Segregation
Use and misuse
1. He developed some basic principles of heredity without having knowledge of chromosomes
2. he developed the microscope for the study of genes in pea plants
3. he explained the principles of dominance on the basics of the gene-chromosome theory
4. he used his knowledge of gene mutations to explain the appearance of new traits in organisms
He developed some basic principles of heredity without having knowledge of chromosomes
1. Microscopic study of chromosomes and genes
2. Mathematical analysis of the offspring of pea plants
3. Breeding experiments with Drosophila
4. Ultracentrifugation studies of cell organelles
Breeding experiments with Drosophila
1. Examining chromosomes with microscope
2. Analyzing large number of offspring
3. Using x-rays to induce mutations
4. Observing crossing-over during meiosis
Analyzing large number of offspring
1. Principles of dominance,segregation and independent assortment
2. Intermediate inheritance and gene linkage
3. Pea palnts develop mutations after exposure to radiation
4. DNA is involved in the inheritance of dominant traits
Principles of dominance,segregation and independent assortment
1. L1 and LL
2. L1 and L1
3. 11 and 11
4. LL and 11
L1 and L1
1. Independent assortment and crossing over
2. Codominance,segregration and recombination
3. Dominance,segregation and recombination
4. Recombination and intermediate inheritance
Dominance,segregation and recombination
1. Segregation and recombination
2. Intermidiate inheritance
3. Crossing over and differentiation
4. Codominant inheritance
Segregation and recombination
1. GG×Gg
2. Gg×gg
3. GG×GG
4. gg×gg
Gg×gg
1. Three possible phenotypes for feather colour
2. Only two genotype for feather colour
3. White feather colour only
4. Black feather colour only
Three possible phenotypes for feather colour