Nondisjunction - Study guides, Class notes & Summaries

Pathophysiology Exam 1 Question and answers already passed 2024 Pathophysiology Exam 1 An ordered photographic display of a set of chromosomes from a single cell is a(n): A) metaphase spread. B) autosomal spread. C) karyotype. D) anaphase spread. - correct answer c An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) polyploidy. D) anaplasia. - correct answer b A somatic cell that

WGU D115 Exam Study Guide How is transcription best defined? - ️️RNA is synthesized from a DNA template. An amniocentesis indicates a neural tube defect when an increase in which protein is evident? - ️️Alpha fetoprotein Amniocentesis is recommended for pregnant with what history? - ️️Have a family history of genetic disorders 35 or older positive prenatal screening test chromosomal condition or neural tube defect in a previous pregnancy abnormal u...

Biology 203: Final Exam Review 151 Questions with Correct Answers What cellular events occur in the G1 phase of the cell division cycle? - Correct Answers normal growth and cell function What is the best way to describe homologous chromosomes? - Correct Answers they carry information for the same traits In some parts of Africa, the frequency of individuals who are heterozygous for the sickle-cell anemia allele is higher than the frequency in North America, presumably because this reduces ...

Pathophysiology Exam #1 (Practice Questions And Answers) An ordered photographic display of a set of chromosomes from a single cell is a(n): A) metaphase spread. B) autosomal spread. C) karyotype. D) anaphase spread. - answerc An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) polyploidy. D) anaplasia. - answerb A somatic cell that does not contain a multiple of 23 chromosomes is called: A) an aneuploid cell. B) ...

Biology 1406 Exam 4 Study Guide Ch. 12-17 questions with complete solutionsWhat happens in the G1 phase? - correct answer Normal activities of the cell What happens in the S phase? - correct answer DNA is replicated What happens in G2 phase? - correct answer Preparation of the cell to undergo mitosis: copying organelles, making proteins and ATP, copying centrosome What happens in prophase? - correct answer A cell's genetic material condenses, a spindle starts to form, and the nuclear e...

ATI Med Surg Test Questions Overview of Genetics and Genomics in Nursing 100%Correct Answers 2024. 1. A baby is born with what the physician believes is a diagnosis of trisomy 21. This means that the infant has three number 21 chromosomes. What factor describes the etiology of this genetic change? a. The mother also has genetic mutation of chromosome 21. b. The patient has a nondisjunction occurring during meiosis. c. During meiosis, a reduction of chromosomes resulted in 23. d. The patie...

Pathophysiology Exam 1 Questions and Answers An ordered photographic display of a set of chromosomes from a single cell is a(n): A) metaphase spread. B) autosomal spread. C) karyotype. D) anaphase spread. - Answer-c An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) polyploidy. D) anaplasia. - Answer-b A somatic cell that does not contain a multiple of 23 chromosomes is called: A) an aneuploid cell. B) a euploid c...

What cellular events occur in the G1 phase of the cell division cycle? - ANSWER normal growth and cell function What is the best way to describe homologous chromosomes? - ANSWER they carry information for the same traits In some parts of Africa, the frequency of individuals who are heterozygous for the sickle-cell anemia allele is higher than the frequency in North America, presumably because this reduces the frequency of malaria. Such a relationship is related to what? - ANSWER Darwin's ...

karyotyping - number and type of chromosome present Barr body - -condensed inactive X chromosome near nucleus of cell -all females have 1 Barr body nondisjunction - failure of chromosomes to separate during meiosis autosomal nondisjunction - -failure of chromosomes (other than sex chromosomes) to separate during meiosis -exs: trisomy 21, trisomy 18 translocation - portion of one chromosome is transferred to another (usually nonhomologous) abnormal egg (XX) x normal sperm (X) - -...

1) A(n) ________ is an example of an organism that can sometimes reproduce asexually by parthenogenesis. A) cat B) human C) Komodo dragon D) mouse - ️️C 1) Amanda's abnormal number of sex chromosomes resulted from ________. A) independent assortment of chromosomes B) crossing over C) nondisjunction D) random fertilization - ️️ 1) Breathing faster when we exercise is necessary to expel ________. A) carbon dioxide and bring in more oxygen to support aerobic metabolism B) oxyge...