It is inherited in an autosomal recessive manner and is caused by a mutation in the HBB gene. The mutation that causes hemoglobin E disease primarily occurs in Southeast Asian populations, and rarely in Chinese populations. Most people with HbE disease do not need any treatment.
CHAPTER 27 Homework Review ï· The ability of sperm cells to move along the ductus deferens is due to ________. peristaltic contractions ï· Prostate cancer is _______.sometimes a slow-growing cancer that may never represent a threat to the patient ï· Erection of the penis results from ________.a parasympathetic reflex ï· Why doesn't semen enter the ...
After sperm is produced, it travels through the testes through  sperm ducts   that circle the bladder, a gland called the seminal vesicle  provides sperm with a   fl â¦ uid. This fluid supplies the sperm with an energy source and  helps them move.onfidence votes 84. The sperm has to go through 5 different organs, 1st: Testes, 2nd: Epididymis, 3rd: Vas Deferens, 4th: Urthra, 5th: Penis. Testes: The Male Reproductive Organs that make sperm and testosterone.