Risk indexes. Definition: Categories of risk used to calculate fundamental beta, including (1) market variability, (2) earnings variability, (3) low valuation, (4) immaturity and smallness, (5) growth orientation, and (6) financial risk.
(See figure below, where meiosis I begins with a diploid (2 n = 4) cell and ends with two haploid (n = 2) cells.) In humans (2 n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23). Prophase I.
Diploid human cells have 2 sets of 23 chromosomes for a total of 46 chromosomes: Autosomal chromosomes: 22 sets of 2. Sex chromosomes: 1 set of 2. Haploid Cell Reproduction. Haploid cells are produced by the process of meiosis. In meiosis, a diploid cell divides twice to produce four haploid daughter cells. Prior to the start of the meiotic cell cycle, the cell replicates it DNA and increases its mass and organelle numbers in a stage known as interphase.