Strictly speaking, a hominid is considered as a general term corresponding for Homo, Pan and Gorilla. If this pertains to the genus Homo (class Hominini), then we only have one species left called Homo sapiens (modern humans) which developed from the ancestors called Homo erectus or Neanderthals. However, hominid could also mean the gorillas and chimpanzees belonging to another genus called Pan (class Hominini) and Gorilla (class Gorillini), respectively.
The answer is probably got to be C.
DNA technology is being used to help diagnoses genetic diseases
It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, here is the answer. Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates and the way that these two molecules differ from each other is that, t<span>estosterone and estradiol have different functional groups attached to the same carbon skeleton. Hope this helps.</span>