Homozygous refers to: a) similar types of chromosomes b) having similar functions on an evolutionary basis c) particles in solution that are inseparable d) having identical alleles for a given gene
option d. Homozygous, as associated with genetics, refers to having inherited the identical variations (alleles) of a genomic marker from every organic parent. Thus, an person who's homozygous for a genomic marker has same variations of that marker. By contrast, an person who's heterozygous for a marker has one-of-a-kind variations of that marker.