What did Mendel learn about his pea plants?
The tall plant trait dominates the short plant trait.
The short plant trait dominates the tall plant trait.
Neither the short nor tall trait is dominant.
Both the short and tall traits are dominant.

The tall plant trait dominates the short plant trait.

Explanation:

He discovered that the tall trait was dominate during his studies

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.