deÂ·bunk. tr.v. deÂ·bunked, deÂ·bunkÂ·ing, deÂ·bunks. To expose or ridicule the falseness, sham, or exaggerated claims of: debunk a supposed miracle drug. deÂ·bunkâ²er n. Word History: The bunk in debunk came from a place where much bunk has originated, the United States Congress.
The male gamete determines sex because each male gamete can contribute either an X or a Y chromosome Which of the following is true of an X-linked gene, but not of a Y-linked gene? A) It is only expressed in female offspring. B) The gene is present in both males and females. C) It is expressed in half of the cells of either male or female. D) It does not segregate like other genes. E) Sister chromatids separate during mitosis.
Families with an X-linked dominant disorder often have both affected males and affected females in each generation. A characteristic of X-linked inheritance is that fathers cannot pass X-linked traits to their sons (no male-to-male transmission).-linked dominant. X-linked dominant disorders are caused by mutations in genes on the X chromosome. Females are more frequently affected than males, and the chance of passing on an X-linked dominant disorder differs between men (illustration) and women (illustration).