In meiosis,<span> synapsis ( Pairing of homologous chromosome ) , Crossing over (exchange of chromosomal segment between nos sister chromatids) </span>occurs which does not occur<span> in </span>mitosis<span>.</span>
Answer:
Severe deficiency, called pellagra, can cause symptoms related to the skin, digestive system, and nervous system.
Explanation:
GM insulin has some advantages over insulin taken from pigs or cattle: very large amounts of insulin can be made. it is less likely to cause an adverse reaction. it overcomes ethical concerns from vegetarians and others.
