The answer is D) Disease.
The signal transduction pathways<span> recruited by the receptors of these hormones and growth factors </span>are<span> of particular interest.
Im not too sure about this might wanna check it.</span>
A dwarf is a recessive trait. In order for the plant to be shorter, it would have to have 2 recessive alleles. The plant is also purebread so it wont contain the tall allele. The gametes that are possible are tt.
The modern classification is based on a six Kingdom system-
<span>1- Animalia</span>
2- Plantae
3- Fungi
4- Protista
5- Archaea bacteria
6- <span>Eubacteria </span>