Moderate

The phenomenon in which the effect of one allele in a heterozygous genotype completely masks the effect of the other is called _.

Correct answer: D. Complete dominance

  • A. Codominance
  • B. Dominance
  • C. Incomplete dominance
  • D. Complete dominance

Explanation

When the phenotype represents only the effect of the dominant, with no sign of recessive phenotype, then there is complete dominance of the dominant allele.

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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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