The article “HIV-positive Smokers Considering Quitting: Differences by Race/Ethnicity” (E. Lloyd- Richardson, C. Stanton, et al., Am J Health Behav, 2008:3–15) surveyed 444 HIV-positive smokers. Of these, 281 were male and 163 were female. Consider this to be a simple random sample. Can you conclude that more than 60% of HIV-positive smokers are male?
BBHD 02/15/2016 Male Reproductive System Gonads: testes Testis: produces sperm; testosterone and inhibin Scrotum: keeps the testes at the proper temperature Epididymis: site of sperm maturation and storage Ductus deferens: duct for sperm maturation storage and transport Ejaculatory duct: duct for transporting sperm and glandular secretions Accessory glands: Seminal vesicle: secretes fructose and most of the seminal fluid Prostate gland: secretes watery alkaline fluid to raise vaginal pH Bulbourethral gland: secretes lubricating mucus Offspring has equal representation of both mother and father genes. After meiosis 1 the secondary spermatocytes are produced After meiosis 2 early spermatids-‐>late spermatids-‐> spermatozoa The whip-‐like movements of the tail propel the sperm Midpiece contains mitochondria that will provide metabolic energy to fuel he trip to the egg The head contains the father’s chromosomes, his genetic contribution to the next generation The acrosome a sac that covers the head of the sperm contains enzymes that will assist in fertilization Sperm move