In pea plants, the allele for tall height, T, is dominant over the allele for short height, t. A pea plant has two different alleles for height. Which statement about the pea plant is correct?(1 point)

Question

Responses

The phenotype for height is short, and the genotype is tt.
The phenotype for height is short, and the genotype is tt. - incorrect

The phenotype for height is short, and the genotype is Tt.
The phenotype for height is short, and the genotype is Tt. - no response given

The phenotype for height is tall, and the genotype is TT.
The phenotype for height is tall, and the genotype is TT. - no response given

The phenotype for height is tall, and the genotype is Tt.
The phenotype for height is tall, and the genotype is Tt. - no response given
Incorrect

Answer 1

In pea plants, the allele for tall height (T) is dominant over the allele for short height (t). If a pea plant has two different alleles for height, it must have the genotype Tt (one dominant allele and one recessive allele).

The phenotype for a plant with the genotype Tt will be tall because the dominant allele (T) masks the effect of the recessive allele (t).

Given the options:

1. The phenotype for height is short, and the genotype is tt. - incorrect
2. The phenotype for height is short, and the genotype is Tt. - incorrect
3. The phenotype for height is tall, and the genotype is TT. - incorrect since the plant has two different alleles
4. The phenotype for height is tall, and the genotype is Tt. - correct

Therefore, the correct statement about the pea plant is:

The phenotype for height is tall, and the genotype is Tt.