GENERAL HISTOLOGY

Detailed explanation-1: -Environmental hazards, hormonal imbalances and STDs can cause sterility. The VAS DEFERENS is the passageway through which both semen and urine leave the male body. The trait of a dominant gene will appear whenever it is present. A symptom of syphilis is a single sore that disappears.

Detailed explanation-2: -Environmental hazards, hormonal imbalances, and STDs can cause sterility.

Detailed explanation-3: -A hernia occurs when there is a hole in the muscles of the abdominal wall, allowing a loop of intestine or abdominal tissue to push through the muscle layer. A ventral hernia is a hernia that occurs at any location along the midline (vertical center) of the abdomen wall.

Detailed explanation-4: -Osteoarthritis is most common in middle age or late adulthood, because the cartilage at the joints naturally begins to thin as people age. However, it can occur earlier in life, especially after injuries affecting the joints such as a type of knee injury called an anterior cruciate ligament (ACL) tear.

Detailed explanation-5: -The trait of a(n) dominant gene will appear whenever it is present. Body cells of males have two X chromosomes. The process of inserting normal genes into human cells to correct genetic disorders is amniocentesis.