In test cross if the parent whose genotypes is to be determined is heterozygous then it gives:
Correct answer: A. 1 : 1
- A. 1 : 1
- B. 3 : 1
- C. 1 : 2 : 1
- D. 1 : 2
Explanation
When the heterozygous parent is crossed with recessive then the offspring ratio will be 1:1
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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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