Risk-on risk-off is an investment setting in which price behavior responds to and is driven by changes in investor risk tolerance. Risk-on risk-off refers to changes in investment activity in response to global economic patterns.
Meiosis is necessary in order for sexual reproduction to occur. It ensures that when the gametes (eg. sperm and egg) combine, the new organism has the correct number of chromosomes.
Meiosis is needed to produce healthy offspring with a diploid chromosome set. Therefore, the diploid set from the mother as well as that one of the father needs to be reduced â¦ in half. So these reduced cells with haploid chromosome sets can merge and produce one diploid set.n Biology. Answer   reproductive cells or you can also say the 23rd pair in the chromosome of the reproductive cell under goes the meiosis and the 23rd pair is called sex chromosome â¦ Germ cells are the only cells that can undergo meiosis as well as  mitosis.