In nondisjunction, if members of a pair of homologous chromosomes do not move apart during meiosis I or sister chromatids fail to separate during meiosis II, this means one gamete receives 2 of the same kind of chromosome and i<span>f either one of these abnormal gametes unites with a normal one at fertilization, the zygote will also have an abnormal number of particular chromosomes; which is known as an aneuploidy.</span>
The mitosis or the mitochondria
Answer:The reaction yields something I think...♀️
Explanation:
The red nucleus and substantia nigra are located in the tegmenjtum and are involved in the motor system.