Class 12 Class 11 Class 10 … An abnormal human of the karyotype 49, XXXYY will form how many Barr bodies? The barr body is the inactive X chromosome in the female somatic cells. However, heterozygous females sometimes have … 46 XO , 46 XY , 46 XXY ,46 XXXY Answer to Question #1. How many Barr bodies would you expect to see in a human cell containing the following chromosomes? 3. Number of Barr bodies in XXY males is ? XX females have one Barr body per cell, XXX females have 2 Barr bodies per cell, and XXY Klinefelter males have one Barr body per cell (Barr bodies are not observed in XY males). a. XX b. XY c. XO d. XXY e. XXYY \\mathbf{f .} NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. nihal k answered on December 19, 2020. The inactive X-chromosome can be seen as a darkly stained spot and is called as Barr body. How many Barr bodies would you expect to see in human cells containing the following chromosomes? Chemistry. 0. More complex types of Klinefelter syndrome exist in which the individual has as many as five X chromosomes. Hemizygous males are color-blind, but heterozygous females are not. How many barr bodies Klinefelter syndrome (XXY) has? State/Province: No state entered. No Related Subtopics. An XXXY cell would contain 1 Barr Body. a. phenotypically female Turner syndrome (45 XO) b. phenotypically male Klinefelter syndrome (47XXY) c. normal female (46 XX) d. Superfemale (47 XXX) e. Supermale (47 XYY) Last question, I think I messed up :-( Help greatly appreciated! Normal females (XX) have only 1. ! An XXX person would have 2 and an XXY person would have 1. Klinefelter patients certainly do have Barr bodies, as reported in several papers: Barr bodies in testis with Klinefelter syndrome, Urology 1980 Jan;15(1):74-6, Shamsuddin AK Tang CK. How many Barr bodies would an individual with a XXY genotype possess? B. XYY. The effect of Barr body formation in mammals is that . Format and Features. Grade level: 10-12 School: No school entered. Klinefelter syndrome, also known as XXY syndrome, is a condition in boys and men that’s caused by an extra X chromosome. $\mathrm{XY}$ c. $\mathrm{Xo}$ d. $\mathrm{XXY}$ e.$\mathrm{XXYY}$ f. $\mathrm{XXXY}$ g. $\mathrm{XYY}$ h. $\mathrm{XXX}$ i. 18 . D. X0 (a person with just a single X chromosome) 2. *19. XX females have one Barr body per cell, XXX females have 2 Barr bodies per cell, and XXY Klinefelter males have one Barr body per cell (Barr bodies are not observed in XY males). Thus Barr body represents the inactivated X-chromosome. These masses are called Barr bodies after the cytologist who discovered them. Males only have 1 X total, so males have no Barr bodies. The inactivated X chromosome is observable in many interphase cells as highly condensed intranuclear chromatin bodies are Barr bodies. If BB represent barr body and `Y_(0)`Y-body XXY or Klinefelters syndrome has . How many Barr bodies would you expect to see in a human cell containing the following chromosomes? They can have more than XXY, however, there will always be multiple X's. Chapter 4. Certain forms of human color blindness are inherited as X-linked recessive traits. 2. An individual with Turner syndrome has how many Barr bodies? How many Barr bodies can be found in the individuals listed below? NCERT RD Sharma Cengage KC Sinha. zero. 0 1 2 None of the answers are correct. Genetics: A Conceptual Approach 5th. However, a minority of Barr bodies are found in other parts of the nucleus, and many of these are situated in proximity to a nucleolus (Fig. Biology. How many Barr bodies would you expect to find in humans with the following abnormal compositions of sex chromosomes? Klinefelter syndrome (KS), also known as 47,XXY is the set of symptoms that result from two or more X chromosomes in males. Male gametes B. Number of Barr bodies is 1. Topics. Uploaded By JaimeL23. Sex Determination and Sex … a. XX d. XXY g. XYY b. XY … This is why X chromosome aneuploidy can be tolerated; all but one of the extra X chromosomes is unactivated. How many barr bodies would you expect to see in a. $\mathrm{XX}$ b. Sep 12 2019 03:34 AM. Chemistry. A. XXY B. XYY C. XXX D. X0 (a person with just a single X chromosome) XX-male-syndrome. Solution for How many Barr bodies would you expect to see in a human cell containing the following chromosomes? $\mathrm{XXXX}$ Answer. How many Barr bodies will be found in each somatic cell? An XX/XXY mosaic? Identify the number of Barr bodies that would be seen in the following genotypes. Class 12 … Maths . The primary features are infertility and small poorly functioning testicles. Barr bodies are most commonly situated at the periphery of the nucleus. Books. A. XXY. MCQ Exam ON : Pathology Questions . Subject: How do Barr bodies work in Klinefelter's Syndrome? Therefore, the number of barr bodies in XXXX female is three. Male somatic cells C. Female somatic cells D. Male and female somatic cells. Barr body is a mass of condensed sex chromatin in the nuclei of normal female somatic cells due to inactive X chromosome.
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