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A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea plant If the plant is selfed, the genotype in the Fi generation is most likely to be

A. all tall

B. 50% tall and 50% dwarf

C. all dwarf

D. data insufficient

Correct Answer : D.


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  1. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  2. DNA duplication occurs in
  3. Reverse transcription was discovered by
  4. In humans, an example of sex-linked trait is
  5. Chromosomes exhibit minimum coiling during
  6. The segment of DNA which participates in crossing over is known as
  7. When is the sex of an offspring decided
  8. The term 'meiosis' was coined bv
  9. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  10. The chromosomal theroy of heredity implies that
  11. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  12.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  13. Colour blindness is caused due to
  14. Lethal genes are those which
  15. The science dealing with study of inheritance and variation is
  16. If an individual does not breed true for its characters, it is called
  17. Klinefelter's syndrome is developed when the chromosome in male is
  18. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  19. The best method to determine whether an individual is homozygous or heterozygous is
  20. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  21. How many meiosis will be required to produce 102 pollen-grains ?
  22. Mutations which are not dominant are not lost by a gene pooL This is known as
  23. Which one of the following chemical characteristics is not common to all living beings ?
  24. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  25. The first person to induce mutations was
  26. Dyad is
  27. The scientists who rediscovered the Mendel's laws are
  28. When two genes are situated very close to each other in a chromosome
  29. Transfer of a gene or genes through a virus is called
  30. A codon is a sequence of 3 nucleolides on