Cause. Mutation of genes, found in chromosomes, can affect the way in which cells grow and develop within the body. Alterations in RB1 or MYCN can give rise to retinoblastoma. RB1. In children with the heritable genetic form of retinoblastoma there is a mutation in the RB1 gene on chromosome 13.
Answer by Claire Wilson. Confidence votes 8. Morena is a spanish word used to describe Latinas who are tanned/dark (i.e., dark hair-brunette, dark eyes, dark skin). It also means Morning in the native language of the New Zealand indigenous people, the Maori.I have triple checked my answer after consulting my Maori experts (thanks LT!).t literally means the color brown, the adjective for a singular feminine noun. In Mexican culture, morena can also be a term of endearment for a female, particularly if s â¦ he is darker complected.
In Mexico, Nena is used as a nickname for Elena and Magdalena, as well as for girls who have the same name as their mother. Meanings and history of the name Nena: | Edit. Nena comes from the Hebrew Magdalena. The meaning is of Magdela. In Aztec mythology it is the name of one of the first two humans: Nata and Nena. It also means girl in Spanish (not to be confused with Nina which means baby) and is an endearing name for a daughter.