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The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of

A. all heterozygous tall

B. two tall and two dwarf

C. one homozygous tall, two heterozygous tall and one homozygous dwarf

D. all homozygous dwarf.

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  1. Dyad is
  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. The best method to determine whether an individual is homozygous or heterozygous is
  5. The genetic constitution of an organism is known as
  6. Colour blindness is caused due to
  7. Crossing over in meiosis occurs in
  8. Linkage is
  9. In humans, an example of sex-linked trait is
  10. In a monohybrid cross the Fi ratio of a backcross is
  11. Exhibition of superiority by a hybrid over both of its parents is called
  12.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  13. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  14. DNA duplication occurs in
  15. Which disease results from the genetic inability to synthesize a single enzyme ?
  16. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  17. Diakinesis is characterised by
  18. A codon is a sequence of 3 nucleolides on
  19. The scientists who rediscovered the Mendel's laws are
  20. Albinism in com plants is best described as
  21. The condition in which only one allele of a pair is present is known as
  22. The first person to induce mutations was
  23. The chromosomal theroy of heredity implies that
  24. The number of characters investigated by Mendel was
  25. Lethal genes are those which
  26. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  27.  A chemical mutagen is
  28. Base substitutions from base analogues I are called
  29. Down's syndrome is an example of
  30. A child is bom with an extra chromosome in each of its cells. This is usually the result of