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Among the following which is a test cross?

A. TtxTt

B. TTxTT

C. TTxTt

D. Ttxtt

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

You can do it
  1. Which disease results from the genetic inability to synthesize a single enzyme ?
  2. When is the sex of an offspring decided
  3. Mutations which are not dominant are not lost by a gene pooL This is known as
  4. The chromosomal theroy of heredity implies that
  5. DNA duplication occurs in
  6. When two genes are situated very close to each other in a chromosome
  7. Diakinesis is characterised by
  8. In humans, an example of sex-linked trait is
  9. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  10. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  11. Colour blindness is caused due to
  12. Among the following which is a test cross?
  13. The nuclear membrane completely disappears during
  14. Crossing over in meiosis occurs in
  15. Dyad is
  16. The number of characters investigated by Mendel was
  17. How many meiosis will be required to produce 102 pollen-grains ?
  18. Base substitutions from base analogues I are called
  19. The term 'meiosis' was coined bv
  20. The genetic constitution of an organism is known as
  21. The scientists who rediscovered the Mendel's laws are
  22. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  23. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  24. If an individual does not breed true for its characters, it is called
  25.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  26. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  27. Exhibition of superiority by a hybrid over both of its parents is called
  28. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  29. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  30. The condition in which only one allele of a pair is present is known as