If the cloth hasn't been washed, yes. Otherwise it would be so hard to trace that our current DNA tracing methods are not capable of tracing it.
It can give a varied appearance. Sometimes it dries almost invisible, esp. on colored cloth. If it is visible, it usu. looks slightly yellowish and makes the cloth it was busted on stiff. It will probably have a distinct smell.
dried semen
Smell of banana with salt
dried penguin semen with sugar on top of them
Once the virus is dead, it can not be rehydrated.
Yes, it is perfectly normal if you have Syphilis.
No, it's already dried.
Semen stains are usually white in color. Seman stains can sometimes hold a unique sheen when held under a regular light. Occasionally semen will also stain yellow, depending on the fabric and on the man's diet.
Semen usually spurts out when you have an orgasm, that excited feeling at the end of masturbation. Semen also can leak out in small amounts when you have an erection. Or it can come out during the night if you have a "wet dream". Semen is usually only two or three teaspoonsful, and will often have dried up by the morning. Dried semen has no smell. If you are a teenager, urine will usually never leak out, unless you are maybe still wetting the bed at night. Urine has a distinctive smell, which you probably know, even after it has dried. If urine is leaking out you should tell your doctor, as this is unusual with young people.
That the temperature effects how fast cloth will dry.
sweet like a candy, pineapple, banana with salt… etc…
Only if it is dried up & staining on your red dress.