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A study found that children with light-coloured eyes are likely to have parents with light-coloured eyes. On this basis, can we say anything about whether the light eye colour trait is dominant or recessive? Why or why not?
 
a. In genetics, the  occurs when one variant of a gene on a chromosome masks or overrides the action of another variant of the same gene on the other copy of the chromosome.
 
b. A trait hidden by other inherited characteristics but persists in a population of heterozygous genotypes is a .
  
c. When two homozygous organisms with contrasting traits are crossed, the trait expressed in the