Eyelash length. in eyelash length, long eyelashes (l) are dominant over short eyelashes (l). a person has long eyelashes but also carries a gene for short eyelashes.

is this person homozygous or heterozygous for this trait?

Heterozygous because one who has a heterozygous gene is referring to one who has two different alleles in 1 gene. Homozygous refers to one who has two alleles who’s characteristics are exactly the same forming a similar but different gene compared to homozygous.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.