Which best describes the law of independent assortment? A. Alleles of a trait separate independently when gametes form. B. The traits of an offspring are independent from the parents. C. Traits can only be controlled by a single gene. D. The F2 generation will be identical to the F1 generation.

it is C.

Explanation:

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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.