Use the information you have learned thus far to explain how a child gets one copy of each gene from his/her mother and another copy of each gene from his/her father. Genes are a section of DNA on a chromosome and are how organisms inherit traits. A complete answer will include the following terms: haploid, gametes, gene, pair of homologous chromosomes, meiosis, egg, sperm, fertilizes or fertilization, zygote, diploid.