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Klinefelter's syndrome is developed when the chromosome in male is

A. XXY

B. XXXY

C. XXYY

D. All of these

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  1. The term 'meiosis' was coined bv
  2. Linked genes may be separated by the process of
  3. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  4. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  5. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  6. The condition in which only one allele of a pair is present is known as
  7. The chromosomal theroy of heredity implies that
  8. Dyad is
  9. Linkage is
  10. When two genes are situated very close to each other in a chromosome
  11. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  12. The genetic constitution of an organism is known as
  13.  A chemical mutagen is
  14. The scientists who rediscovered the Mendel's laws are
  15. A codon is a sequence of 3 nucleolides on
  16. The first person to induce mutations was
  17. Diakinesis is characterised by
  18. In a monohybrid cross the Fi ratio of a backcross is
  19. Klinefelter's syndrome is developed when the chromosome in male is
  20. If an individual does not breed true for its characters, it is called
  21. Transfer of a gene or genes through a virus is called
  22. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  23. The science dealing with study of inheritance and variation is
  24. Exhibition of superiority by a hybrid over both of its parents is called
  25. DNA duplication occurs in
  26. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  27. Reverse transcription was discovered by
  28. The best method to determine whether an individual is homozygous or heterozygous is
  29. The nuclear membrane completely disappears during
  30. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…