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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

You can do it
  1. If an individual does not breed true for its characters, it is called
  2. Colour blindness is caused due to
  3. Chromosomes exhibit minimum coiling during
  4. Which one of the following chemical characteristics is not common to all living beings ?
  5. Albinism in com plants is best described as
  6. Exhibition of superiority by a hybrid over both of its parents is called
  7. Linkage is
  8. Reverse transcription was discovered by
  9. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  10.  A chemical mutagen is
  11. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  12. When two genes are situated very close to each other in a chromosome
  13. Mutations which are not dominant are not lost by a gene pooL This is known as
  14. The best method to determine whether an individual is homozygous or heterozygous is
  15. The number of characters investigated by Mendel was
  16. The chromosomal theroy of heredity implies that
  17. Linked genes may be separated by the process of
  18. A codon is a sequence of 3 nucleolides on
  19.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  20. The segment of DNA which participates in crossing over is known as
  21. Base substitutions from base analogues I are called
  22. Which disease results from the genetic inability to synthesize a single enzyme ?
  23. How many meiosis will be required to produce 102 pollen-grains ?
  24. The nuclear membrane completely disappears during
  25. Dyad is
  26. When is the sex of an offspring decided
  27. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  28. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  29. Among the following which is a test cross?
  30. Crossing over in meiosis occurs in