<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["fr", "en"].<end_of_turn>
<start_of_turn>user
Explique la transmission des caractères héréditaires par dominance complète, dominance incomplète, et codominance. Utilise des exemples.<end_of_turn>
<start_of_turn>model
The transmission of hereditary traits is determined by alleles, the different versions of a gene. Alleles can interact in three different ways: complete dominance, incomplete dominance and codominance.

-In the case of complete dominance, a dominant allele completely masks the expression of another recessive allele located on the pair of homologous chromosomes. Thus, if an individual has a dominant A allele and a recessive A allele, it will present the phenotype associated with the A allele, because it is expressed exclusively.

-In the case of incomplete dominance, neither allele completely masks the expression of the other. Thus, when two different alleles are present on a pair of homologous chromosomes, the observed phenotype is the result of the interaction of the two alleles. For example, if an individual has one allele for red flowers and one allele for white flowers, the flowers will be pink because both alleles are partially expressed.

-In the case of codominance, the two alleles are expressed equally and simultaneously. Thus, when two different alleles are present on a pair of homologous chromosomes, the observed phenotype is a combination of the two alleles. For example, if an individual has one allele for black hairs and one allele for white hairs, it will have black and white spotted hairs.<end_of_turn><eos>