The condition in which both alleles of a gene are expressed equally in heterozygotes is called:
Correct answer: B. Codominance
- A. Incomplete dominance
- B. Codominance
- C. Epistasis
- D. Polygenic inheritance
Explanation
In codominance, both alleles express fully and simultaneously Example: AB blood group (I I where both A and B antigens appear).
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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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