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 ...
Although follicle stimulating hormone is often associated with the female reproductive cycle, it is actually essential to growth, physical development, pubertal processes, and reproduction in males. Specifically, it stimulates the maturation of sperm cells prior to them becoming functional.estosterone levels control the secretion of GnRH. When T levels are low, the hypothalamus releases more GnRH, which increases FSH as well as luteinizing hormone (LH) secretion. This increase in FSH in turn increases T levels in a self-correcting feedback loop.