In P1 of test cross, one parent will always be:
Correct answer: B. Homozygous recessive
- A. Homozygous dominant
- B. Homozygous recessive
- C. Heterozygous dominant
- D. Heterozygous recessive
Explanation
In P1 of test cross, one parent will always be homozygous recessive in order to check the homozygosity or heterozygosity of the parent with unknown genotype.
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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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