When geneticists first studied eye color, it was suggested that the “blue-eyed” trait was caused by a single recessive allele. Further study indicated that, while rare, blue-eyed parents could have a brown-eyed child. Which of the following statements best describes this trait and the reason for its occurrence?
It is a Mendelian trait because there is a 3:1 chance of the offspring displaying the dominant trait.
It is a complex trait because the rules of dominance are not followed.
It is a complex trait because the allele has mutated.
It is a Mendelian trait because the alleles are following the laws of segregation and independent assortment.