When you visit a DDS Customer Service Center, you'll need: 1  your birth certificate, your current US passport or other proof of citizenship. 2  your Social Security Card or other verification of your Social Security Number.  two proofs of residence (recent utility bills, bank statements and rental contracts all work)
Crossing over begins early in prophase I of meiosis. At the time, homologous chromosomes Are paired along their lengths. Each gene on one homologue ia alined precisely with thâ¦e corresponding gene on the other homologue.
The crossing over is the process of exchange of DNA between homologous chromosomes whereas the independent assortment is the process in which the chromosome pairs align theme â¦ selves at the equator of the cell.rossing over is the exchange of DNA between homologous chromosomes where as Independent assortment is the process in which the chromosomes pair align themselves at the equato â¦ r of the cell. 1 person found this useful.