As a soybean breeder, you become interested in genes controlling aphid resistance (A), flower color (P), and plant height (T). You cross a plant that is aphid-resistant, purple-flowered and tall-statured (AAPPTT) with a plant that is aphidsusceptible, white-flowered, short-statured (aapptt). All traits are controlled by dominant gene action. The A, P, and T alleles are dominant.

All the plants would be resistant, purple flowered and tall statured.

Explanation:

This would be so because the traits are controlled by dominant gene action which is either complete dominance or incomplete dominant gene action. A complete dominance type of gene action is a situation whereby one allele is expressed more strongly than the other in the production of qualitative phenotypes: the allele that is expressed more strongly is called the “dominant allele,” and the other is called the “recessive allele and incomplete dominant gene action is a type of gene action whereby one allele is expressed more strongly than the other during the production of qualitative phenotypes, but the dominant allele cannot suppress the recessive allele in the heterozygous state. Two copies of the dominant allele are needed to produce the dominant phenotype. Because the recessive allele is able to function in the heterozygous state, that genotype produces a phenotype (the heterozygous phenotype) that is marginally different from the dominant phenotype.

yes? sounds right, but you didn’t ask a question.

answer by yourhope:

answer is

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