When a single gene influences more than one trait it is called:
Correct answer: B. Pleiotropy
- A. Pseudodominance
- B. Pleiotropy
- C. Epistasis
- D. None of these.
Explanation
Pleiotropy is the term used when a single gene has multiple effects on an organism's phenotype, influencing various traits. It can lead to seemingly unrelated phenotypic changes due to the diverse roles that a single gene can play in an organism's development and functioning.
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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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