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A trait controlled by a dominant gene _______. will be expressed even when the corresponding gene in the other half of the pair is different will be expressed only if it is paired with two recessive genes will not be expressed if it is paired with another dominant gene will not be expressed when the corresponding gene in the other half of the pair is different

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I'm assuming that the questions and choices are set up like this:

A trait controlled by a dominant gene _______. 
a.) will be expressed even when the corresponding gene in the other half of the pair is different 
b.) will be expressed only if it is paired with two recessive genes
c.) will not be expressed if it is paired with another dominant gene
d.) will not be expressed when the corresponding gene in the other half of the pair is different

If this is the case, then the answer is a.) 

Traits controlled by dominant genes will be expressed even when the corresponding gene in the other half of the pair is different

Hope this helps! :)
Lanuel

A trait controlled by a dominant gene: A. will be expressed even when the corresponding gene in the other half of the pair is different.

A trait can be defined as a distinguishing quality, feature or characteristic possessed by a living organism.

Traits are essentially transferred from the parent of a living organism to her offspring, so as to distinguish them from others.

Generally, there are two (2) main types of traits expressed by living organisms and these include:

  • Recessive traits.
  • Dominant traits.

A dominant trait can be defined as a trait that is expressed by an individual who has one variant of the gene.

In Genetics, dominance is a phenomenon which occur when a single (1) copy or one variant of a gene masks or overrides the effect of a different variant of the same gene of the chromosome.

This ultimately implies that, a trait controlled by a dominant gene will be expressed by a living organism, even when the corresponding gene in the other half of the pair is completely different.

Read more: https://brainly.com/question/19559847