Percentages (AQA A-Level Biology): Flashcards

100

$\left(\frac{\text{part}}{\text{total}}\right) \times 100$

Divide numerator by denominator, then multiply by 100

Compare data from different sample sizes effectively

Probability of offspring characteristics appearing

25% chance (1 in 4) for each child

$\left(\frac{\text{change}}{\text{original}}\right) \times 100$

Positive (+)

Negative (-)

Convert measurements to same units