Question

practice: eye color
what is the chance of the children being heterozygous?
father
mother

Explanation:

Step1: Count the total number of offspring

There are 4 offspring in the Punnett square.

Step2: Count the number of heterozygous offspring

There are 2 heterozygous (Bb) offspring.

Step3: Calculate the probability

The probability is $\frac{\text{Number of heterozygous offspring}}{\text{Total number of offspring}}=\frac{2}{4} = 0.5 = 50\%$.

Answer:

50%