Moderate

A fully expressed allele is referred to as:

Correct answer: C. Dominant

  • A. Recessive
  • B. Heterozygous
  • C. Dominant
  • D. Homologous

Explanation

A dominant allele is one that is fully expressed by masking the effects of the other alleles. For example, the round seed shape of the pea plant is dominant over the wrinkled seed shape.

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About Inheritance

Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.

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