alelo
1. One of two or more alternative forms of a gene that occupy the same position on homologous chromosomes and control the same trait
The allele for blue eyes is recessive, while the allele for brown eyes is dominant.
O alelo para olhos azuis é recessivo, enquanto o alelo para olhos castanhos é dominante.
2. A variant of a DNA sequence at a particular locus on a chromosome
Different alleles of the same gene can produce different phenotypes in offspring.
Diferentes alelos do mesmo gene podem produzir fenótipos diferentes na prole.
This is a highly technical term used primarily in genetics, biology, and medical contexts. It is universally used in both Brazilian Portuguese and European Portuguese scientific communities without regional variation. The term comes from Greek 'allos' (other) and 'lela' (one another), reflecting the concept of alternative forms. Understanding alleles is fundamental to modern genetics education and is taught in secondary schools and universities.
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