In pea plants, tall (T) plants are dominant over short (t) plants. Suppose a pea plant with the genotype TT is crossed with a pea plant with the genotype tt. The resulting offspring should all be tall (Tt).

TT (tall plant)

Explanation:

When a Tall plant (TT) is crossed with tt (Short plant) all the offspring will be tall because T is dominant over small t. This happen in the first filail generation.

TT×tt

Tt Tt Tt Tt- all tall pea plant.

Complete dominant occurs when a dominant allele expresses itself over a recessive allele such that the phenotype expressed is of the dominant traits.

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