What can vary between alleles of a gene?
Which of the following alleles is not expressed in the presence of another allele during heterozygosity?
Recessive alleles show their effect in an individual when they are present in ____________ condition.
Why do bacteria not have recessive or dominant traits?
Peas with white color are often masked by purple-colored peas but it persists among the population of peas. The allele for white color is therefore ______.
____ are the observable physical traits that are the outcome of the expression of the ____ of an individual.