Question

based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds? 16/16 9/16 1/16 3/16

Explanation:

Step1: Identify target genotype/phenotype

We look for "wrinkled, yellow" in the Punnett square. Wrinkled is a recessive trait (rr), yellow is dominant (YY or Yy).

Step2: Count matching squares

Count the number of Punnett square cells that correspond to wrinkled yellow seeds. There are 3 such cells.

Step3: Calculate total squares

The Punnett square is 4x4, so total cells = $4 \times 4 = 16$.

Step4: Find the fraction

Fraction = $\frac{\text{Number of target cells}}{\text{Total cells}}$ = $\frac{3}{16}$

Answer:

$\frac{3}{16}$