Having free earlobes (F) is a dominant trait in humans, and having attached earlobes (f) is Recessive. A Father has the genotype ff, and the mother has the genotype Ff. What is the fathers phenotype?

Attached earlobes

Explanation: As the phenotype is a visible trait, and the father has ff (a recessive trait) he has the attached earlobes.

it would be rhyolitic hope this

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.