Over-dominance is:
Correct answer: C. Exceed the quantity than phenotype
- A. The phenotype of the heterozygous is intermediate
- B. One allele is completely dominant over other
- C. Exceed the quantity than phenotype
- D. Both alleles are expressed
Explanation
In particular, the phenomenon known as overdominance occurs when a heterozygote has a more extreme phenotype than that of either of its parents.
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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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