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 ...
Smooth muscle provides peristalsis for sperm movement toward the ductus deferens. provides peristalsis for sperm movement toward the ductus deferens. Epididymis Tubule h.p. The lining of the epididymis is made of pseudostratified columnar epithelial cells, many of which possess microvilli (called stereocilia)