1 a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other.2  Compare bilateral symmetry. Trends. 2  a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other.
What distribution does X/(X+Y), follow, when X and Y are gamma distributed. Prove that the R.V is independent of (X+Y) up vote 0 down vote favorite. What distribution does the following r.v follow: X/(X+Y) Xâ¼Gamma(a,1) Yâ¼Gamma(b,1) and the variables are independent.
Gammas and Betas. Very little is known about the mutants classified as Gammas or Betas, except that their powers are inferior to the Alphas, but however powerful, as Zora Risman stated about two mutants, one of them a fire-breather: They weren't alphas, but you could tell they were formidable.