Which of the following variant types are typically identified in oncogenes associated with familial cancer predisposition syndromes?

Which of the following syndrome differ in terms of chromosomal aberration from the other ones? Turner Syndrome Edward Syndrome Patau Syndrome Down’s Syndrome

These are the determiners of hereditary characteristics.*1 pointgenesDNAchromosomescell

Which processes are involved in the development of cancer?I. Mutations occur in oncogenes.II. Oncogenes prevent cancer.III. Oncogenes affect cell cycle regulatory proteins.A. I and II onlyB. I and III onlyC. II and III onlyD. I, II and III

Which of the following conditions is not usually caused by a heritable mutation? Sickle cell anemia Leber's amaurosis       Muscular dystrophy Lung cancer

What are different versions of a gene that can result in different variations of a particular trait?