The linked genes A and B have a greater frequency of recombination (40%) and therefore they are found furthest away on the chromosome. Conversely, the smaller distance is between D and B, which exhibit a lower frequency of recombination (10%), while C is localized at the same physical distance of both A and B (20%), so the physical map is ACDB.
It effects the body by causing symptoms like muscle aches, low-grade fever, headaches, sometimes rashes, swelling of the lymph glands may also occur, and flu-like illness. These are symptoms after a few weeks of being infected.
