GNRS 5633 - NNP III – GENETICS EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+| latest update 2024/25|

GNRS 5633 - NNP III – GENETICS EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+ autosomal recessive - -Occurs when two parents (without active disease) each have a copy of the same abnormal gene, and both pass the abnormal copy to the offspring 25% 50% - -In autosomal recessive inheritance, the recurrence risk (the chance to have affected offspring) for two parents with the same abnormal gene mutation is ____ for each pregnancy and ____ chance the child will become a carrier. - Cystic Fibrosis (White people ) - Tay Sachs (Ashkenazi Jewish heritage) - sickle cell anemia (African, African American, or Mediterranean heritage) - -Autosomal recessive disorders that are seen more frequently among certain ethnic groups and in offspring of related parents. Autosomal dominant - -This inheritance patterns occurs when only one abnormal gene needs to be inherited to cause the condition. - Huntington's disease - Marfan syndrome - Osteogenisis imperfecta (six types of osteogenesis imperfecta have been described, five of which are autosomal dominant) - -examples of autosomal dominant disorders 50% - -In Autosomal Dominant inheritance, the recurrence risk for an affected parent to pass the disease to a child is _______% with each pregnancy, but there is no carrier state. sex-linked inheritance - -pattern of inheritance in which certain characteristics carried on the X chromosome inherited from the mother are transmitted differently to her male and female offspring 23 - -sex-linked inheritance involves which chromosome also known as the sex chromosomes? y-linked disorders - -_________________________, such as Klinefelter syndrome, are rare, but they will be passed from the father to all male childre