In humans having more than five fingers or toes is dominant over having exactly five fingers or toes which of the following situations would most likely result in exactly half of a couple offspring having six digits and half of them having five 1: both parents are homozygous for the recessive trait 2: both parents are heterozygous 3: one parent is heterzygous while the other is homozygous for the recessive trait 4: one parent is homozygous for the recessive trait while the other is homozygous for the dominant trait.