BILD 1 Lecture Notes - Lecture 30: Red Blood Cell, Allele, Phenotype

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Took true-breeding parents and crossed their reproductive system. However, the first generation of offspring was only purple. When he breed the f1 generation of peas with the same f1 generation of peas, more purple was sprouted but also white pea plants also sprouted. There is generally a 3:1 ratio in the f2 generation. Alternative versions of genes (alleles) account for variations in inherited characters. An organism inherits one allele from each parent. The same phenotype can actually be determined by more than one genotype. Egg or sperm only got 1 of the 2 alleles. Standard genetic information that came from mendel"s experiment. Genes are found in alternative versions called alleles. A genotype is the listing of alleles an individual carries for a specific gene. For each characteristic, an organism inherits two alleles, one from each parent. The alleles can be the same or different.

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