Yes, men who have had vasectomies still have DNA in their semen. The vasectomy procedure blocks the vas deferens, the tubes that carry sperm, preventing sperm from reaching semen. Semen is still produced by the body, but it does not contain sperm.
in sex crime
Sources of DNA that can be used in DNA forensic analysis include blood, saliva, hair follicles, semen, skin cells, and bone fragments. These sources provide enough genetic material for analysis and can help in identifying individuals or solving crimes.
No, but the cells that are brushed off or released contains DNA which scientists can examine.
The urethra is responsible for ejaculating sperm and expelling urine in men.
A child is unable to have DNA from two men. This is because there must be two gametes that are able to sexually reproduce.
Semen carries genetic material. Depending on the conditions of exposure, DNA information could potentially be isolated from a semen sample even after several years. The DNA would not be alive, but it would be intact.
such as blood, semen, or bone
in sex crime
Consuming your own semen will do you no harm.
It is impossible to do. Females simply can and do not produce semen.
Because it contains the donors DNA.
Blood and semen
Sperm carries the male DNA, while semen is the fluid that the sperm swim in from the male into the female.
yes
No, they don't.
Mixing semen from two gay men does not result in any unique or different outcome compared to mixing semen from individuals of any other sexual orientation. Semen is primarily composed of sperm and seminal fluid, and mixing semen from different individuals would not affect its basic properties or functions.
No.