Homologous chromosomes are chromosomes that share. It is made up of chromosome pairs of approximately the same lenth, centromere position, and staining pattern. They carry the same type of genetic information and they have the same genes in the same location. When a sperm and egg combine, their genetic material blend to form one complete, diploid set of chromosomes. In every homologous pair of chromosome in your genome, one comes from your father and the other from your mother.
Answer - d.