Description : An abnormal human male phenotype involving an extra X-chromosome (XXY) is a case of (a) Edward’s syndrome (b) Klinefelter’s syndrome (c) intersex (d) Down’s syndrome.
Last Answer : (b) Klinefelter’s syndrome
Description : .Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked
Last Answer : (c) Klinefelter’s syndrome - 44 autosomes + XXY
Description : Webbed neck is a characteristic of – (1) Down's syndrome (2) Turner's syndrome (3) Klinefelter's syndrome (4) Cri-du-chat syndrome
Last Answer : (2) Turner's syndrome Explanation: A webbed neck, or pterygium colli deformity, is a congenital skin fold that runs along the sides of the neck down to the shouldersit is a feature of Turner ... Syndrome (TS) is a condition in which a female is partly or completely missing an X chromosome.
Description : .In which of the following diseases, the man has an extra X-chromosome? (a) Turner’s syndrome (b) Klinefelter’s syndrome (c) Down’s syndrome (d) Haemophilia
Description : Mongolian Idiocy due to trisomy in 21st chromsome is called (a) Down’s syndrome (b) Turner’s syndrome (c) Klinefelter’s syndrome (d) Triple X syndrome
Last Answer : (a) Down’s syndrome
Description : .A disease caused by an autosomal primary non- disjunction is (a) Klinefelter’s syndrome (b) Turner’s syndrome (c) Sickle cell anaemia (d) Down’s syndrome.
Last Answer : (d) Down’s syndrome.
Description : What is the genetic disorder in which an individual has an overall masculine development, gynaecomastia and is sterile? (a) Down’s syndrome (b) Turner’s syndrome (c) Klinefelter’s syndrome (d) Edward syndrome
Last Answer : Klinefelter’s syndrome
Description : A disease caused by an autosomal primary non- disjunction is : (1) Klinefelter's Syndrome(2) Turner's Syndrome (3) Sickel Cell Anemia (4) Down's Syndrome
Last Answer : (4) Down's Syndrome
Description : Webbed neck is a characteristic of (1) Down’s syndrome (2) Turner’s syndrome (3) Klinefelter’s syndrome (4) Cri–du–chat syndrome
Last Answer : Turner’s syndrome
Description : .In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter's syndrome in male. It proves (a) in human beings Y chromosome is active in ... (c) in Drosophila Y chromosome decides femaleness (d) Y chromosome of man have genes for syndrome.
Last Answer : (a) in human beings Y chromosome is active in sex determination
Description : In Down’s syndrome of a male child, the sex complement is (a) XO (b) XY (c) XX (d) XXY.
Last Answer : (b) XY
Description : Which of the following cannot be detected in a developing fetus by amniocentesis? (a) Down’s syndrome (b) Jaundice (c) Klinefelter’s syndrome (d) Sex of the fetus
Last Answer : (b) Jaundice
Description : .In human beings 45 chromosomes/single X/XO abnormality causes (a) Down’s syndrome (b) Kinefelter’s syndrome (c) Turner’s syndrome (d) Edward’s syndrome
Last Answer : (c) Turner’s syndrome
Description : A woman with 47 chromosomes due to three copies of chromosome 21 is characterised by (a) superfemaleness (b) triploidy (c) Turner’s syndrome (d) Down’s syndrome.
Description : 5. Klinefelters syndrome has the genetic make up (a) 44 autosomes + xxy(b) 44 autosomes + xo (c) 45 autosomes + xx (d) 45 autosomes + xy
Last Answer : (a) 44 autosomes + xxy
Description : Which one of the following conditions correctly describes the manner of determining the sex? (a) Homozygous sex chromosomes (ZZ) determine female sex in birds. (b) XO type of sex chromosomes ... s syndrome, determines female sex. (d) Homozygous sex chromosomes (XX) produce male in Drosophila.
Last Answer : (b) XO type of sex chromosomes determine male sex in grasshopper.
Description : Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.
Last Answer : (d) non-disjunction of chromosomes.
Description : .A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.
Last Answer : (a) has 45 chromosomes with XO
Description : Pick out the correct statements. (1) Haemophilia is a sex-linked recessive disease. (2) Down's syndrome is due to aneuploidy. (3) Phenylketonuria is an autosomal recessive gene disorder. (4) Sickle cell anaemia is an X- ... are correct. (c) (1) and (4) are correct. (d) (2) and (4) are correct.
Last Answer : (b) (1), (2) and (3) are correct.
Description : In context of amniocentesis, which of the following statements is incorrect? (a) It can be used for detection of Down’s syndrome. (b) It can be used for detection of cleft palate. (c) It is usually done when a woman is between 14-16 weeks pregnant. (d) It is used for prenatal sex determination.
Last Answer : (b) It can be used for detection of cleft palate
Description : .Down’s syndrome in humans is due to (a) three ‘X’ chromosomes (b) three copies of chromosome 21 (c) monosomy (d) two ‘Y’ chromosomes.
Last Answer : b) three copies of chromosome 21
Description : How many chromosomes per cell does a Down's Syndrome (trisomy 21) victim have?
Last Answer : ANSWER: 47
Description : Klinefelter's syndrome phenotype. -Biology
Last Answer : answer:
Description : An individual with three X chromosomes is likely t be: a) a clinically normal female b) an abnormal female c) a Turner's individual d) a Kleinfelter's individual
Last Answer : ANSWER: B -- AN ABNORMAL FEMALE
Description : A 28 year old patient complains of amenorrhea after having dilatation and curettage. The most likely diagnosis is: a) Kallman’s Syndrome. b) Turner’s Syndrome. c) Asherman’s Syndrome. d) Pelvic inflammatory disease. e) Anorexia nervosa.
Last Answer : c) Asherman’s Syndrome.
Description : 10. Which of the following symbols represent a Turner’s syndrome a) AAXO b) AAXY c) AAXXY d) AAXYY
Last Answer : a) AAXO
Description : Number of chromosomes in Down's syn- drome is?
Last Answer : 47
Description : Would it be hard for a prosperous, handsome man to fall in love with a woman with Downs' Syndrome?
Last Answer : Maybe she has a sweet, loving nature, which he could value and cherish. The things that connect people aren’t always obvious to the rest of us, but they can be very powerful.
Description : Are Down's Syndrome people happier than other people?
Last Answer : answer:The question is understandable. It often seems that they are happier based upon brief interactions and what is portrayed on television and movies. Down Syndrome is not a disease. It is a genetic ... parents. It is an opportunity to not only learn more about DS but make some new friends.
Description : What would you think of someone who suggested that the Korean infants she saw looked like they might have Downs syndrome?
Last Answer : I would ask what are her qualifications to know what she’s assuming.
Description : A couple, both severely retarded/down's syndrome/etcetera: should society literally prevent them from having children?
Last Answer : Your other question was easier. Neither of them are able to take care of the child?
Description : Apart from monkeys or the ape family, in what other species has Down's syndrome been detected?
Last Answer : Mice can have downs as well and science is using them to study the issue. It is caused by the presence of all or part of an extra 21st chromosome.
Description : Symptoms and causes of Down's syndrome? -Biology
Description : I'm over 35, I'm only in my early pregnancy, I'm 7 weeks old, but I'm really scared. I want to have a great baby, we have been waiting for it for a long time, 1.5 years and I don't know what if ...
Last Answer : You shouldn't have to worry so much in advance, but of course I understand. Be sure to discuss with your partner what you want. It must be a responsible decision by two people.
Description : People with Down's syndrome invariably affected by: (1) Huntington's disease (2) Alzheimer's disease (3) Meningitis (4) Brain haemorrhage
Last Answer : (2) Alzheimer's disease Explanation: The best-known and most common chromosome abnormality in humans is Down's syndrome, a condition associated with an extra chromosome 21. Down's syndrome individuals ... develop this disease in their fourth or fifth decade of life, much sooner than other people
Description : Which of the following is a correct match? (a) Down’s syndrome - 21st chromosome (b) Sickle cell anaemia - X-chromosome (c) Haemophilia - Y-chromosome (d) Parkinson’s disease - X and Y chromosome
Last Answer : a) Down’s syndrome - 21st chromosome
Description : .Christmas disease is another name for (a) haemophilia B (b) hepatitis B (c) Down’s syndrome (d) sleeping sickness.
Last Answer : a) haemophilia B
Description : Down’s syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder? (a) 100% (b) 75% (c) 50% (d) 25%
Last Answer : (c) 50%
Description : The most striking example of point mutation is found in a disease called (a) Down’s syndrome (b) sickle cell anaemia (c) thalassaemia (d) night blindness.
Last Answer : (b) sickle cell anaemia
Description : Which of the following conditions is not associated with periodontal destruction in primary teeth: a. Down’s syndrome. b. Steven Johnson’s syndrome. c. Hypophosphatasia. d. Papillon. Lefebvre syndrome. e. Cyclic neutropenia.
Last Answer : b. Steven Johnson’s syndrome.
Description : Which of the following is NOT characteristic of Down’s syndrome? A. Decreased neutrophil function B. Macroglossia C. Macrodontia D. An increased susceptibility to periodontal disease E. Congenitally missing teeth
Last Answer : C. Macrodontia
Description : Hypodontia can be seen in: A. Cleidocranial dysplasia “dysostosis” B. Down’s syndrome C. Papillon fever syndrome D. Rickets
Last Answer : B. Down’s syndrome
Description : Which of the following conditions is not associated with periodontal destruction in primary teeth: A. Down’s syndrome B. Steven Johnson’s syndrome C. Hypophosphatasia D. Papillon-Lefebvre syndrome E. Cyclic neutropenia
Last Answer : B. Steven Johnson’s syndrome
Description : Typical features of Down’s syndrome (Mongolism) do not include: A. Multiple immunodeficiencies B. Sever caries but minimal periodontal disease C. Susceptibility to infections D. Multiple missing teeth and malocclusion E. Hepatitis B carriage in institutionalised patients
Last Answer : B. Sever caries but minimal periodontal disease
Description : 28 years old woman with previous history of having baby with Down's Syndrome is now 12 weeks pregnant. Which of the following would you suggest to her: a) Amniocentesis. b) Obstetric ... sampling. d) Fetal blood sampling. e) Wait till eighteen weeks for detailed ultrasound and amniocentesis.
Last Answer : c) Chorionic villus sampling.
Description : Down's Syndrome most often results from the presence of a third copy of which chromosome?
Last Answer : ANSWER: CHROMOSOME 21
Description : People with Down’s syndrome invariably affected by: (1) Huntington’s disease (2) Alzheimer’s disease (3) Meningitis (4) Brain haemorrhage
Last Answer : Alzheimer’s disease
Last Answer : XXY - Klinefelter Syndrome chromosomes
Description : The property be which `'(xy)^(n)=x^(n)xxy^(n)'` is known as ________ property.
Last Answer : The property be which `'(xy)^(n)=x^(n)xxy^(n)'` is known as ________ property.