When the expression of one allele is masked by the presence of another, it is said to be dominant.
What is an allele?
A gene variation is an allele. Each gene has two different allele types. The features or personalities of the organism are represented by the allele. There is a dominant and a recessive allele.
The dominant allele displays the characteristics of the organism while concealing the recessive allele.
Thus, One allele is said to be dominant when the expression of another allele obscures its presence.
Learn more about alleles, here:
https://brainly.com/question/13735349
#SPJ2
