Karyotyping - Study guides, Class notes & Summaries

TTU Biology 1402 Exam 2- Dr. Held Latest Update Already Passed Karyotyping (#chromosome) -To determine if the patient has an abnormal # of chromosomes - "A photographic inventory of an individual's chromosomes." - ordered display of chromosomes, doubled. Criss- Cross Inheritance Sons inherit their X chromosome from their mother Codominance -The heterozygote expresses both traits (alleles). -"A" and "B" genes make structures (not enzymes)= sugar types. -Ex) Blood types (A,B, ...

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...

karyotyping - ANSWER--Chromosomes prepared from actively dividing cells -Halted in metaphase -Chromosomes arranged according to size -use WBC -stained with Giemsa stain -goes from largest to smallest aneuploidy - ANSWER-Abnormal number of chromosomes. -missing or extra -Ex; Turner's syndrome, Down Syndrome -2n+ =7 -45, XO polyploidy - ANSWER-condition in which an organism has extra sets of chromosomes -3n, 4n, 5n, etc. -3n=9 Primary down syndrome - ANSWER--Trisomy 21 (three copies...

RNC - Low Risk Neonatal Nursing Exam || All Questions & Answers (Graded A+) RNC - Low Risk Neonatal Nursing Exam || All Questions & Answers (Graded A+) Normal skin assessment - ANSWER - Acrocyanosis with decreased peripheral pulses, facial bruising and/or petechiae Normal head assessment - ANSWER - Large in relation to body size, cranial molding, caput succedaneum Normal newborn lung assessment - ANSWER - RR 40-60/min, coarse rales, prolonged expiration phase Normal newborn heart as...

MCQs FUNGI EXAM Q & A ALL ANSWERS 100% CORRECT LATEST UPDATE GRADED A+ Both fungus-farming ants and their fungi can synthesize the same structural polysaccharide from the beta-glucose. What is this polysaccharide? A) amylopectin B) chitin C) cellulose D) lignin E) glycogen - ANSWER-B Fungal cells can reproduce asexually by undergoing mitosis followed by cytokinesis. Many fungi can also prepare to reproduce sexually by undergoing A) cytokinesis followed by karyokinesis. B) binary ...

MCQs FUNGI EXAM Q & A ALL ANSWERS 100% CORRECT LATEST UPDATE GRADED A+ Both fungus-farming ants and their fungi can synthesize the same structural polysaccharide from the beta-glucose. What is this polysaccharide? A) amylopectin B) chitin C) cellulose D) lignin E) glycogen - ANSWER-B Fungal cells can reproduce asexually by undergoing mitosis followed by cytokinesis. Many fungi can also prepare to reproduce sexually by undergoing A) cytokinesis followed by karyokinesis. B) binary ...

Gametes Sex cells 2. Karyotype A display of the chromosome pairs of a cell arranged by size and shape. 3. Process for karyotyping Typically done by isolating white blood cells from a person, staining them, and taking pictures under a microscope. The picture is then cut to organize chromosomes, which are numbered by size 4. Cytogeneticist a scientist who studies chromosomes under the microscope 5. BRCA1 gene Breast cancer type 1 susceptibility gene. A human tumor suppressor gene that is...

RNC - Low Risk Neonatal Nursing Exam 2023 A+ Normal skin assessment - ANS-Acrocyanosis with decreased peripheral pulses, facial bruising and/or petechiae Normal head assessment - ANS-Large in relation to body size, cranial molding, caput succedaneum Normal newborn lung assessment - ANS-RR 40-60/min, coarse rales, prolonged expiration phase Normal newborn heart assessment - ANS-HR 120-160, may peak up to 180 bpm when stimulated, loud S2, split S2, soft systolic murmur (L —> R shunt f...

FNP PEDIATRICS PRACTICE EXAM/ FNP PEDIATRICS STUDY GUIDE REAL EXAM COMPLETE VERSION 2024 WITH (1000+) ELABORATED QUESTIONS AND ANSWERS ALREADY GRADED A+… A 1-year-old child is brought to the clinic with a temperature of 102°F and left flank pain. The urine dipstick test indicates nitrates and leukocyte esterase. The presenting signs and symptoms suggest left pyelonephritis. Based on the data, the most appropriate action for the PNP is to: A) Refer the child to a urologist for di...

CMMB413 Midterm I Question and answers verified to passCMMB413 Midterm I Segmental aneusomy/contiguous gene syndromes - correct answer microdeletions - small deletions that delete a series of genes in a row Ex: DiGeorge syndrome 3 Mb deletion in 22q11.2 region more susceptible due to areas of repetition Clinical cytogenetics - correct answer practice of medical genetics by studying the structure and number of chromosomes and ID possible disorders/abnormalities Indications of chr...