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.
The meaning of Keyonna is  Divine . Its origin is  Modern English variant of the Hawaiian name Kiana . Keyonna is a form of Kiana and is generally pronounced like  kee OHN ah  and  key AH nah . This name is mostly being used as a girls name. Last year it ranked 4,556th in the U.S. Social Security Administration list of most popular baby girl names.