Question

The table shows the genotypes of three pea plants for the allele for height. Which prediction about the three plants is the most reasonable?

(1 point)
Responses

Plant C will be the shortest.
Plant C will be the shortest.

Plant A will be the tallest.
Plant A will be the tallest.

Plant A and Plant C will have similar heights.
Plant A and Plant C will have similar heights.

Plant B and Plant C will have similar heights.

Answer 1

To make a prediction about the heights of the three pea plants based on their genotypes, we need to consider which genotypes correspond to tall and short phenotypes.

In pea plants, the allele for tallness (T) is typically dominant over the allele for shortness (t). Therefore, we can generally predict plant heights based on the genotypes as follows:

- **Genotype TT** (homozygous dominant) will produce tall plants.
- **Genotype Tt** (heterozygous) will also produce tall plants.
- **Genotype tt** (homozygous recessive) will produce short plants.

Without knowing the specific genotypes of Plants A, B, and C, if we assume:
- Plant A has a genotype of TT or Tt (tall)
- Plant B has either TT or Tt (tall or possibly the same as A)
- Plant C has genotype tt (short)

Based on this reasoning, if Plant C is indeed tt, it makes sense to conclude that **Plant C will be the shortest** because it carries two recessive alleles.

Thus, the **most reasonable prediction** is:

**Plant C will be the shortest.**