The only way to obtain the correct phenotype, but not the correct genotype in a genetic cross is when ignoring the genotype of the parental lines. The genotype of a trait is always a consequence of random segregation.
<h3>Alleles, random segregation and phenotypes </h3>
An allele is a gene variant for a given <em>locus</em>, in a diploid organism, two alleles are inherited (one from each parent).
Random segregation refers to the independent way in which alleles separate during the formation of gametes.
Random segregation determines the genotype in a genetic cross, but it is not possible to determine if an allele is associated with a given phenotype if we don't know the genotypes of the parental lines.
Learn more about random segregation here:
brainly.com/question/8575074
