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Allele

1:27

Genes vs Alleles

3:43

Gen / Allel - Unterschied - Grundbegriffe Genetik 2

2:00

Chromosomes, DNA, Genes and Alleles

3:11

What is an Allele? Quick Definition

3:53

Gène et Allèle

An allele is a variant form of a given gene. Sometimes, different alleles can result in different observable phenotypic traits, such as different pigmentation. A notable example of this trait of color variation is Gregor Mendel's discovery that the white and purple flower colors in pea plants were the result of "pure line" traits which could be used as a control for future experiments. However, most genetic variations result in little or no observable variation.
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  • Etymology 

  • Alleles that lead to dominant or recessive phenotypes 

  • Multiple alleles 

  • Allelic dominance in genetic disorders 

  • Epialleles