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 A person meets with an accident and great loss of blood has occurred. There is no time to analyse his blood group. It is safe to transfuse blood of

A. AB, RH+

B. AB, RH-

C. O, RH-

D. O, RH+

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Crossing over in meiosis occurs in
  2. Reverse transcription was discovered by
  3. Which one of the following chemical characteristics is not common to all living beings ?
  4. The term 'meiosis' was coined bv
  5. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  6. Linkage is
  7. Transfer of a gene or genes through a virus is called
  8. Lethal genes are those which
  9. When two genes are situated very close to each other in a chromosome
  10. In a monohybrid cross the Fi ratio of a backcross is
  11. The segment of DNA which participates in crossing over is known as
  12. Chromosomes exhibit minimum coiling during
  13. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  14. A codon is a sequence of 3 nucleolides on
  15. Base substitutions from base analogues I are called
  16. Klinefelter's syndrome is developed when the chromosome in male is
  17. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  18. Albinism in com plants is best described as
  19. The genetic constitution of an organism is known as
  20. In humans, an example of sex-linked trait is
  21. The nuclear membrane completely disappears during
  22.  A chemical mutagen is
  23. Linked genes may be separated by the process of
  24. The best method to determine whether an individual is homozygous or heterozygous is
  25. The condition in which only one allele of a pair is present is known as
  26. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  27. The first person to induce mutations was
  28. The chromosomal theroy of heredity implies that
  29. When is the sex of an offspring decided
  30. The number of characters investigated by Mendel was