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 ...
Best Answer: The cellular organelle that powers the tail of the sperm is the mitochondria, which converts sugars into energy. If there are any problems with the mitochondria, the sperm essentially won't be able to swim. There are a number of reasons for this. Some men's sperm totally lack mitochondria and therefore are infertile.