The allele for small size is recessive, and the allele for normal size is dominant. The frequency for the normal-size allele is 0.72. What is the percentage of the rats that are normal sized?

the correct answer should be false

{apex}

i believe the answer would be b. hope it : )

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.