Single Answer MCQ
Q-00019408

Which of the following statements best describes a dominant trait?

1

It is always expressed in the phenotype.

2

It is only expressed when homozygous.

3

It never masks a recessive trait.

4

It is always inherited from the mother.

Answer and Solution

Answer

A. It is always expressed in the phenotype.

Solution:

A dominant trait is always expressed in the phenotype, regardless of whether the genotype is homozygous dominant (AA) or heterozygous (Aa). It masks the expression of recessive traits.

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