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.

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.
by

1 Answer

Answer :

(d) Down’s syndrome.
by

Related questions

.Down’s syndrome in humans is due to (a) three ‘X’ chromosomes (b) three copies of chromosome 21 (c) monosomy (d) two ‘Y’ chromosomes.

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

Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes. b) Huntingon Disease Huntington disease is one example of a germ-line mutation. c) Duchenne Muscular Dystrophy Duchenne muscular dystrophy, an inherited form of muscular dystrophy, is an example of a genetic caused by structural gene mutations. d) Marphan Syndrome Marphan Syndrome is a genetic condition that may occur in a single family member as a result of spontaneous mutation.

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Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.

.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

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Last Answer : (b) Klinefelter’s syndrome

.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

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Last Answer : (c) Turner’s syndrome

.A person with the sex chromosomes XXY suffers from (a) gynandromorphism (b) Klinefelter’s syndrome (c) Down’s syndrome (d) Turner’s syndrome.

Description : .A person with the sex chromosomes XXY suffers from (a) gynandromorphism (b) Klinefelter’s syndrome (c) Down’s syndrome (d) Turner’s syndrome.

Last Answer : (b) Klinefelter’s syndrome

.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.

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Last Answer : (a) has 45 chromosomes with XO

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

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Last Answer : (a) Down’s syndrome

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%

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Last Answer : (c) 50%

Webbed neck is a characteristic of – (1) Down's syndrome (2) Turner's syndrome (3) Klinefelter's syndrome (4) Cri-du-chat syndrome

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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.

.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.

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.

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

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Last Answer : Klinefelter’s syndrome

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

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Last Answer : (4) Down's Syndrome

Webbed neck is a characteristic of (1) Down’s syndrome (2) Turner’s syndrome (3) Klinefelter’s syndrome (4) Cri–du–chat syndrome

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Last Answer : Turner’s syndrome

How many chromosomes per cell does a Down's Syndrome (trisomy 21) victim have?

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Last Answer : ANSWER: 47

Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

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Last Answer : (d) non-disjunction of chromosomes.

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 determine male sex in grasshopper. (c) XO condition in humans as found in Turner’s syndrome, determines female sex. (d) Homozygous sex chromosomes (XX) produce male in Drosophila.

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Last Answer : (b) XO type of sex chromosomes determine male sex in grasshopper.

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.

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Last Answer : (b) Klinefelter’s syndrome

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

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Last Answer : a) Down’s syndrome - 21st chromosome

Down's Syndrome most often results from the presence of a third copy of which chromosome?

Description : Down's Syndrome most often results from the presence of a third copy of which chromosome?

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Would it be hard for a prosperous, handsome man to fall in love with a woman with Downs' Syndrome?

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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.

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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 ultrasound. c) Chorionic villus sampling. d) Fetal blood sampling. e) Wait till eighteen weeks for detailed ultrasound and amniocentesis.

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Last Answer : c) Chorionic villus sampling.

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

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Down Syndrome, a congenital genetic disorder in human beings, is cased by : (a) a defective recessive gene in homozygous condition (b) an extra x chromosome (c) trisomy of chromosome 18 (d) trisomy of chromosome 21

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A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by (a) only daughters (b) only sons (c) only grandchildren (d) both sons and daughters

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When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is (a) tetraploidy (b) pentaploidy (c) diploidy (d) triploidy.

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Number of chromosomes in Down's syn- drome is?

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What if a baby has Down's syndrome?

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.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

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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.

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Last Answer : C. Macrodontia

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Last Answer : B. Down’s syndrome

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

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Last Answer : B. Steven Johnson’s syndrome

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

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Last Answer : C. Macrodontia

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