What is an allele? (1 point)
O a trait that can be masked
O a unit of heredity that is transferred from parent to offspring
O a variant form of a gene a trait that appears in an offspring if one of the parents contributes it​

Respuesta :

one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. Here’s a definition of an allele I say a variant form of gene a trait that appears in an offspring of one of the parents contributes it