(a) of terms
(i) Gene; Is a unit of heredity/genetic material; composed of DNA; located on the chromosome.
(ii) Hybrid Is an offspring; formed from a cross between parents that are genetically different but of same species.
(iii) Trait Is a feature/character; that is possessed by an organism; and can be transferred from parents to offspring.
(b)
(c) Transmittable characters in plants

Type of seed
Size of fruit
Colour of flower
Colour of leaf
Height of plant
Texture of seed coat
Size of plant
Leaf shape
Any correctly named transmittable character