Two parents with a genotype Pp, what is true about their
offspring's phenotype?

Expectation is that 75% of offspring will have the dominant phenotype, 25% the recessive phenotype.

Explanation: Pp x Pp gives expected offspring genotypes PP (25%), Pp (50%), pp (25%).

If P is dominant, the expectation for phenotype ‘P’ = 75% and for phenotype ‘p’ = 25%

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.

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