Which definition best describes polygenic traits? A. traits that are carried on linked genes B. traits that affect several features C. traits that are controlled by multiple genes D. traits that express both alleles of a gene pair

The answer is    C.Traits that are controlled by multiple genes.

Explanation:

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

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.