The S&P Target Risk Index Series is comprised of four multi-asset class indices, each corresponding to a. particular risk level. Like the S&P Target Date Index Series, the asset class mix is determined once a year. through a process designed to reflect the overall investment opportunity of the represented markets. Each.
Best Answer: 1 zygote. 2. meiosis. 3. Meiosis is a process to produce gametes which have only half the chromosomes it will have until fertilization. when a male sperm(gamete) fertilizes the egg(female gamete) they produce a single cell called a zygote. Source(s): i think.
Together, the egg and sperm result in a fertilized egg, known as a zygote, which contains all 46 chromosomes. Half the chromosomes come from the father, and half come from the mother. The process of meiosis and fertilization result in every generation having the same number of 46 chromosomes. The process also takes place in animals and plants. Oscar Hertwig, a German biologist, first observed the process of meiosis in 1876 as he studied the eggs of sea urchins, Wikipedia notes.