While the fertilization usually occurs in the oviducts, it can also happen in the uterus itself. Bird CM, Burgess N. Sex differences in drug metabolism: cytochrome P and uridine diphosphate glucuronosyltransferase. In addition, most multicellular animals are dioecious species with separate male and female individuals in the diploid population.
Diagnosis is made by the patient's medical history and a pelvic exam. Their DNA floats freely within the cell in a twisted, thread-like mass called the nucleoid.
Male chromosome or Y chromosome contains many genes determining various characteristics. Updated November 20, Female Skull is smaller than the Male skull in almost all aspects. Each cell contains one-half the number of chromosomes as the original parent cell. Degree in Plant Science, M.
XY system is used by humans, most mammals, some insects, and some plants. Finally, you can examine the number of segments on the flagellum to tell if a bee is male or female. You must be logged in to comment.
Human hepatoma derived cell line, process for preparation thereof, and uses therefor. Payer B, Lee JT. Address for reprint requests and other correspondence: N. Epplen, M. Mutually exclusive genetic signatures of human breast tumor cell lines with a common chromosomal marker.
Fuller and Paul A. Species with separate male and female flowers on the same plant are termed monoecious, including oaks Quercus , alder Alnus and walnut Juglans. Unlike in mitosis, the daughter cells produced during meiosis are genetically diverse.
Why is the sex of cell lines used in studies so often omitted from the final published article? The penis and urethra belong to both the urinary and reproductive systems in males.