XX and XY chromosomes are only found in humans.
The XX set of chromosome set is found in females only.
The XY set of chromosome set is found in males only.
Hope this helps!
Most multicellular organisms have two sets of chromosomes; that is, they are diploid. These chromosomes are referred to as homologous chromosomes. If both alleles<span> at a </span>gene <span>or locus on the homologous chromosomes are the </span>same<span>, they and the organism are homozygous with respect to that </span>gene<span> or locus.</span>
The answer to the blank i think is bond im not 100% sure though..
Theres a character minimum smh but i think its d pls check though g00gle is fr33
