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# Mendel’s Principle of Inheritance ## Principles - **Principle of Uniformity** - **Segregation of Alleles** ### Key Concepts - **Characters (phenotype)** are distinct. - **Genetic characteristics (alleles)** have alternate forms. - **Phenotype** reflects the ‘dominant’ allele. - **Random segregat...

# Mendel’s Principle of Inheritance ## Principles - **Principle of Uniformity** - **Segregation of Alleles** ### Key Concepts - **Characters (phenotype)** are distinct. - **Genetic characteristics (alleles)** have alternate forms. - **Phenotype** reflects the ‘dominant’ allele. - **Random segregation** of alleles. ### Generations - **P-Generation**: Dominant allele for red flower color; recessive allele for white/missing pigmentation. - **F1-Generation**: Hybrid phenotypes. - **F2-Generation**: Recessive trait phenotypically reappears in homozygous individuals. --- # Human Chromosomes ## Key Facts - 23 pairs of chromosomes. - Each half is inherited from both parents. - Each chromosome has multiple genes. - Each gene is sequenced by DNA: AT, GC. ### Chromosome Visualization - Image displays chromosomes numbered from 1 to 22 and 1 Y chromosome.