_could be homozygous (RR) or heterozygous (Rr):
Correct answer: B. A phenotypically round seed
- A. A genotypically round seed
- B. A phenotypically round seed
- C. A genotypically wrinkled seed
- D. A phenotypically wrinkled seed
Explanation
Round shape in pea seed is dominant character and a dominant phenotype may have two genotypes RR (homozygous round) and Rr(heterozygous round).
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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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