Discontinuous variations in a population were first observed by:
Correct answer: A. Mendel
- A. Mendel
- B. Correns
- C. Nilsson
- D. Darwin
Explanation
Mendel's concept of the gene was based on the analysis of hereditary variants-organisms that show identifiable and persistent differences for specific characters. He was the first to establish rules for the genetic analysis of such distinct variants.
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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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