In pea plants the flower color may be either purple or white. Only one purple gene is needed for that color to show, while two copies of the white are needed to show. Which statement uses the correct terminology to define flower color in pea plants?

Question

A. The flower color trait in pea plants is dominant
B.The flower color trait in pea plants can be dominant or recessive
C. The flower color trait in plants is recessive
D. The flower color trait in pea plants has incomplete doominance

Answer 1

The correct statement that uses the appropriate terminology to define flower color in pea plants is:

A. The flower color trait in pea plants is dominant.

This is because purple flower color is described as the dominant trait, requiring only one copy of the purple allele for it to be expressed, while white flower color requires two copies of the recessive allele to be expressed.