Select the correct answer from each drop-down menu. Analyze the pedigree shown.
square = male
circle - female
expresses
trait
00- does not
express trait
- carries trait
The trait in the pedigree above is
vand

d i think its   answer d

it is a

explanation:

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.