A situation in which one gene affects two or more unrelated characters is called:
Correct answer: B. Pleiotropy
- A. Epistasis
- B. Pleiotropy
- C. Dominance relation
- D. Polygenes
Explanation
Pleiotropy occurs when one gene influences two or more seemingly unrelated phenotypic traits. Such a gene that exhibits multiple phenotypic expression is called a pleiotropic gene.
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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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