Trisomy x xxx Study guides, Class notes & Summaries

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) - -zygote: X...

ABGC Practice Questions and Answers 2024 Updated Under what circumstances should an infant with clinical features of Down syndrome be karyotyped? A. Only if the parents desire more children B. Only if the mother is younger than 35 years old C. Only if not all of the features of Down syndrome are present D. Only if the mother has had 3 early miscarriages E. Always - CORRECT ANSWER-E. Always What is the parental origin and stage of meiosis when most meiotic errors occur resulting...

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) - -...

BSC 1010 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% VERIFIED GRADED A++ _____ is when an organism has more than two complete sets of chromosomes. Polyploidy When part of the chromosome has flipped its ordinary order. Inversion Change in one base of DNA that creates a premature stop codon. Nonsense mutation Humans are _____ and have the XX-XY system of sex determination. mammals The _____ peptide binds to the _____ recognition particle to make sure that a ribosome that is ma...

MCCQE OBGYN QUESTIONS AND ANSWERS GRADED A+ How to screen and diagnose GDM: For regular patients: Do 50g OGTT at 24-28 weeks. <7.8mmol/L --> normal >10.3 --> GDM 7.8 - 10.3mmol/L --> proceed to 2hr 75g OGTT To dx IGT or GDM do the 2hr 75g OGTT. If you only have 1 abnormality, then it's IGT, if it's two abnormalities, then they have GDM: -if fasting plasma >5.3mmol/L -if 1hr glucose >10.6mmol/lL -if 2hr glucose >8.9mmol/L Types of prenatal screening te...

Exam 2 genetics portage learning 2023 complete study Guide 2023 /2024 Exam 2 Genetics Chapter 7  Nondisjunction in meiosis – can cause XXX Syndrome or XYY Condition  47 XYY – famous o There’s this idea that there is an over representation of XYY of men in prison o Some people think that people with XYY are more likely to become criminals or get put in jail o Above average in height and below average in intelligence  Sex determination o At 5 or 6 weeks there is a potentia...

Exam 2 Genetics Chapter 7  Nondisjunction in meiosis – can cause XXX Syndrome or XYY Condition  47 XYY – famous o There’s this idea that there is an over representation of XYY of men in prison o Some people think that people with XYY are more likely to become criminals or get put in jail o Above average in height and below average in intelligence  Sex determination o At 5 or 6 weeks there is a potential for the fetus to get a Y chromosome and become a male  PAR: pseu...

NU 318 Genetics Test Study Guide With Complete Solution...

cystic fibrosis - correct answer the most common fatal genetic disorder in the united states. this disorder occurs when a mutation prevents the CFTR protein from reaching the cell surface. gregor mendel - correct answer who did experiments in plant breeding? garden pea plants - correct answer what did Mendel use in his experiments? true breeding - ...

STUDY FOR KROK1 Klinefelter's syndrome - CORRECT ANSWERS47 (XXY); 1 barr body; 1 drumstick; affects only males; tall gynecomastia Turner's syndrome: - CORRECT ANSWERS45 (XO); No barr body; affects only females; webbed neck, 'sphinx' neck, Monosomy Trisomy X: - CORRECT ANSWERS47 (XXX); 2 barr bodies; X-chromosome polysomia; super female Down's syndrome: - CORRECT ANSWERStrisomy 21 Edward's syndrome: - CORRECT ANSWERStrisomy 18 Patau's syndrome: - CORRECT ANSWERStrisomy 13 DiGe...