Final answer:
The final color of a baby's eyes can change over time and is determined by multiple genes. Most babies have blue eyes at birth, but their eye color can start to change by the age of 6 months and continue changing until around the age of 3 years.
Step-by-step explanation:
The final color of a baby's eyes is determined by multiple genes and may change over time. While most babies have blue eyes at birth, their eye color can change as they grow older. The exact timing of when the eye color changes varies from baby to baby, but typically it begins to change by the age of 6 months and can continue to change until around the age of 3 years.