Explanation

All the given statements are correct. Occasionally a single gene product may produce more than one effect. For example starch synthesis in pea seeds is controlled by one gene. It has two allele (B and b). Starch is synthesized effectively by BB and have bigger grains. In contrast bb homozygous have lesser efficiency in starch synthesis and produce smaller grains In starch synthesis gene following condition to seen BB – rounded (due to more starch synthesis) bb – wrinkled (due to less starch synthesis) Bb – in between rounded of wrinkled size. It produce starch of intermediate quantity between BB to bb homozygous condition. So, it is incomplete dominance. Therefore, dominance is not an autonomous feature of a gene or the product that it has information for. It depends as much on the gene product and the production of a particular phenotype from this product as it does on the particular phenotype that we choose to examine, in case more than one phenotype is influenced by the same gene