Barr body in mammals represent

1 Answer

Answer :

Barr body in mammals represent A. One of the two X chromosomes in somatic cells of females ... of male D. All heterochromatin of female cells

Related questions

Description : 'Barr body' is found in - (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells

Last Answer : (3) Female somatic cells Explanation: A Barr body is the inactive X chromosome in a female somatic cell in those species in which sex is determined by the presence of the Y or W chromosome rather ... typical human female has only one Barr body per somatic cell, while a typical human male has none.

Description : What is Barr body Genes? 

Last Answer : Located inside the nuclear envelope, it is a densely staining object that is an inactivated X chromosome in female mammalian cells. Most Barr body genes are not expressed. They are reactivated in gonadal ... transcript, is an RNA; multiple copies of XIST attach to the X chromosome inactivating it.  

Description : Regarding the human chromosomes a. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Last Answer : cells containing YO chromosome are not compatible with life

Description : True statements about chromosome include: a. 23 chromosomes are found in germinal cells b. in female only one chromosome is activated c. the Barr body is due to inactivated X chromosome e. all above

Last Answer : all above

Description : ‘Barr body’ is found in (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells

Last Answer : Female somatic cells

Description : Have you seen the video of Kamala Harris questioning AG Barr, and what did you think of it?

Last Answer : Because he is a lying sack of shit. The man threatened to not show up for the hearing on thursday, if they planned to have lawyers field the questions. The man drew up a summary of ... notifications would be in the public interest'). Sincerely yours, Robert S. Mueller III Special Counsel

Description : Why is there such uproar about William Barr saying he believed spying on Trump did occur?

Last Answer : As with the claims of Russian collusion, my response is put up or shut up . I'll believe it when I see the evidence. As for the Democratic reaction, it could mean one of two things. Either A) it's ... shit up is damaging. Since I've seen evidence so far, I'm not willing to decide either way yet.

Description : To those of you who plan on voting for Obama in the 2012 election, how would you feel if Jill Stein or Roseanne Barr won instead?

Last Answer : I would be pretty shocked, since I’ve never heard of them.

Description : Does anyone know where to find congress's discussions that helped end the "Barr Amendment" (Medical Marijuana and DC)

Last Answer : Try Library of Congress’s THOMAS [legislative activity organized and searchable by year or congress number] and also NORML http://norml.org/

Description : Assertion: Epstein - Barr virus is an oncovirus. Reason: It stimulates the growth of cancer.

Last Answer : Assertion: Epstein - Barr virus is an oncovirus. Reason: It stimulates the growth of cancer. A. If ... D. If both the assertion and reason are false

Description : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human females.

Last Answer : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human ... wrong D. If both As and R are wrong.

Description : Epstein-Barr virus test?

Last Answer : DefinitionEpstein-Barr virus test is a blood test to detect antibodies to the Epstein-Barr virus (EBV) antigens.See also: Monospot testAlternative NamesEBV antibody test; MonospotHow the test is performedBlood is ... the needle is removed, and the puncture site is covered to stop any bleeding.In in

Description : .Number of Barr bodies in XXXX female is (a) 1 (b) 2 (c) 3 (d) 4

Last Answer : (c) 3

Description : Fetal sex can be determined by examining cells from the amniotic fluid by looking for (a) chiasmata (b) kinetochore (c) barr bodies (d) autosomes.

Last Answer : (c) barr bodies

Description : Infectious _____ is caused by the ________virus infecting the B lymphocytes. a. mononucleosis, Epstein Barr b. shingles, varicella c. Epstein Barr, yellow fever d. Meningitis, Lassa

Last Answer : d. Meningitis, Lassa

Description : Researchers have associated the ______ virus with infectious mononucleosis and have evidence that the virus also causes _______. a. Epstein-Barr; hepatitis B b. Epstein-Barr; Burkitt's lymphoma c. Coxsackie; hepatitis B d. Coxsackie; Burkitt lymphoma

Last Answer : d. Coxsackie; Burkitt lymphoma

Description : Mononucleosis is an infection of________ cells by the _____. a. T; cytomegalovirus b. B; Epstein-Barr virus c. Lung; cytomegalovirus d. red blood; Epstein.Barr virus

Last Answer : d. red blood; Epstein.Barr virus

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Last Answer : A.Rous sarcoma virus.

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Description : A history of infection specifically caused by group A betahemolytic streptococci is associated with which of the following disorders? a) Acute glomerulonephritis Acute glomerulonephritis is ... chronic glomerulonephritis, systemic lupus erythematosus, multiple myeloma, and renal vein thrombosis.

Last Answer : a) Acute glomerulonephritis Acute glomerulonephritis is also associated with varicella zoster virus, hepatitis B, and Epstein-Barr virus.

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Last Answer : A. Herpes simplex type I virus

Description : The virus which causes mononucleosis belongs to which family? a) Cocksackie b) Androvirus c) Epstein-Barr d) Retrovirus 

Last Answer : ANSWER: C -- EPSTEIN-BARR

Description : A normal female human cell will have how many Barr bodies per cell? Is it: a) 1 b) 2 c) 3 d) 4

Last Answer : ANSWER: A -- 1

Description : How do humans (mammals) maintain body temperature when the ambient temperature is higher than body normal?

Last Answer : Sweat.

Description : (a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: Lung capillaries, Pulmonary artery to ... the advantage of separate channels in mammals and birds for oxygenated and deoxygenated blood? -Biology

Last Answer : (a) A schematic representation of transportation and exchange of oxygen and carbon dioxide during transportation of blood in human beings (b) It is necessary to separate oxygenated and deoxygenated ... . The separation of oxygenated and deoxygenated blood provides high oxygen supply to the organs.

Description : Mammals are warm blooded animals, so their body temperature

Last Answer : remains constant.

Description : Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Last Answer : (a) birds and lizards

Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.

Description : This major protein component of connective tissue in mammals comprises most of the organic matter of skin, tendons, bones, and teeth, and occurs as fibrous inclusions in most other body structures. Is this material: a) elastin b) collagen c) fatty acids d) keratin

Last Answer : ANSWER: B -- collagen