Barr body - Study guides, Class notes & Summaries

What is an aneuploidy? - ️️Abnormal number of chromosomes. What is polyploidy? - ️️extra sets of chromosomes What is one common aneuploidy? - ️️Down syndrome, trisomy on chromosome 21 What are possible sex chromosome aneuploidys? - ️️XXY, XYY, XXX, XO (turner syndrome) What is a deletion mutation? - ️️When one or more nucleotides are lost (i.e., deleted) What is X-inactivation? - ️️X inactivation is when the X chromosome compacts into a Barr body and genes within ...

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) - -...

Nursing Pathophysiology Final Exam Questions & Answers-While viewing the electrocardiogram, the nurse recalls the _____ conducts action potentials down the atrioventricular septum. - Bundle of His Which of the following patient would be most prone to metabolic acidosis? A patient with: - Diabetes whose glucoses are uncontrolled A 76-year-old patient had the following arterial blood gas sample after his stomach surgery in which his gastric content and fluid were removed: pH 7.55, PCO2 50,...

___________ is not warn for airborne precautions. a) Surgical Mask b) N-95 c) Gloves d) Gown - a) Surgical Mask ___________ is not warn for contact precautions. a) Surgical mask b) Gloves c) Gown - a) surgical mask ___________ is not warn for droplet precautions. a) Surgical mask b) N-95 c) Gloves d) Gown - b) N-95 A chronic infection a)has a rapid onset & is short lasting b)has a rapid onset & is long lasting c)develops slowly & is short lasting once illd)develops slowly and ma...

BIOL 1201 Licata Exam 4 Questions and Answers 100% Pass What organism did Thomas Hunt Morgan study? why? - ANSWER -fruit flies, because they generated offspring quickly and abundantly, with distinguishable phentotypes What is Thomas Hunt Morgan known for discovering? - ANSWER -Genes are stored on specific chromosomes, sex chromosomes, and crossing-over How many alleles does a male have for an X-linked trait? - ANSWER -One What are the four systems of sex chromosomes? - ANSWER -XX and XY- ...

1. (T/F) Individual organisms do not evolve, but a population of a species does. ANSWER True 2. (T/F) Deoxyribonucleic acid is a chemical made up of nucleotides and proteins. ANSWER False 3. (T/F)The process that produces RNA is called transcription. ANSWER True 4. What best describes genetic diversity in a population? ANSWER The organisms in a population have different alleles of the same genes. 5. Differentiate genes from alleles. ANSWER Alleles are the different variations of genes. 6. ...

what was the most significant conclusion that Gregor Mendel drew from his experiments with pea plants Ans- traits are inherited in discrete units, and are not the results of "blending." genetic information is carried in which of the following biomolecules Ans- either DNA or RNA in which type of cell would a Barr body be observed Ans- somatic cells of a woman if nondisjunction occurs in meiosis II during gametogenesis, what will be the result at the completion of meiosis Ans- one g...

Questions and Answers Already Passed About how much of your body weight is blood? ~8% define diastolic pressure. lowest level of aortic pressure when heart is at rest Define Mean Arterial Pressure (MAP). pressure that propels blood to tissues define pulse pressure. difference between systolic and diastolic pressure Define systolic pressure. pressure exerted in aorta during ventricular contraction Describe a granulocyte. larger and shorter-lived than RBCs; contain lobed, rather than circul...

adenoviruses - Cold, sore throat pink eye Human Close contact, airborne, contaminated surfaces Horizontal Virus arboviruses - Arthropod- borne virus Arthropods (Mosquito, ticks, etc.) Insect bites Horizontal and vertical Virus Aspergillus - Aspergillosis Environment Airborne to immunocompromised people Horizontal Fungi Bacillus anthracis - Anthrax Humans, animals, and soil Close contact or contaminated food Horizontal Bacteria Bordetella pertussis - Pertussis/whooping coughHu...

Question 1 0 out of 0 points When completing this quiz, did you comply with Walden University’s Code of Conduct including the expectations for academic integrity? Selected Answer: Correct Answer: Question 2 Yes Yes 1 out of 1 points How should the nurse prepare a patient who is to receive a Schilling test for pernicious anemia? Selected Answer: a. Administer radioactive cobalamin and measure its excretion in the urine. Correct Answer: a. Administer radioactive cobalamin and measure ...