When a gene is______the trait it controls will be present every time the gene is present.
Correct answer: B. dominant
- A. recessive
- B. dominant
- C. polygenic
- D. sex-linked
Explanation
A dominant allele is expressed in the phenotype when present, whether paired with another dominant allele or with a recessive one. A recessive trait usually appears only when both inherited alleles are recessive.
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