Both of Tim's parents have brown eyes, but Tim has blue eyes. How is this possible?
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The characteristic (blue eyes) is carried in a recessive gene.
This characteristic (blue eyes) must be carried in the dominant gene.
Eye color is not a genetic trait.
all of these
1 answer
This is possible if the parents both carry a recessive gene for blue eyes and pass it on to their child, resulting in Tim having blue eyes.