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List any four symptoms shown by a Klinef...

List any four symptoms shown by a Klinefelter syndrome sufferer. Explain the cause of this disorder.

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### Step-by-Step Solution **Step 1: Understanding Klinefelter Syndrome** - Klinefelter syndrome is a genetic condition that occurs in males. It is characterized by the presence of an extra X chromosome. **Step 2: Identifying the Chromosomal Composition** - A typical male has 46 chromosomes (XY), but a male with Klinefelter syndrome has 47 chromosomes (XXY). This means there are two X chromosomes and one Y chromosome. ...
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State True of False (i) Hetrozygous female for haemophilia may transmit the disease to sons (ii) Affected individuals with phenylketonuna lack an enzyme that converts the amino acid phenylalanine into phenylpyruvic acid (iii) Klinefelter's syndrome is caused due to the presence of an additional copy of X-chromosome resulting into a karyotype of 47//XXX (iv) Failure of segregation of homologous pair of chromosomes during cell division cyclic results in Turner's syndrome.

ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-MULTIPLE CHOICE QUESTION
  1. List any four symptoms shown by a Klinefelter syndrome sufferer. Expla...

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  2. The genetic ratio of 9:3:3:1 is due to:

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  3. Choose the chromosome, in a human, that possesses least number of gene...

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  4. G. J. Mendel was a:

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  5. Select the incorrect match.

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  6. In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that:

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  7. A monohybrid cross produced tall and dwarf pea plants in ratio of 3:1....

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  8. Common test to find genotype of hybrid is by:

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  9. Which one is a test cross?

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  10. Mating of an organism to a double recessive in order to determine whet...

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  11. A cross between two tall plants resulted in offspring having few dwarf...

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  12. The term genetics was proposed by:

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  13. The F2 genotypic ratio of monohybrid cross is:

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  14. A dihybrid for qualitative trait is crossed with homozygous recessive ...

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  15. In order to find out the different types of gametes produced by a pea ...

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  16. The autosomal disorder/disease in humans is:

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  17. Distance between the genes and percentage of recombination shows:

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  18. In Mirabilis jalapa, the number of F2 red flowered plants in a cross ...

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  19. In pea plants, yellow seeds are dominant to green. If a heterozygous y...

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  20. Which of the following is best suited for codominance?

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  21. Incomplete dominance is shown by:

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