Among the following which is a test cross?

A. TtxTt


C. TTxTt

D. Ttxtt

You can do it
  1. When two genes are situated very close to each other in a chromosome
  2. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  3.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  4. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  5. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  6. Which one of the following chemical characteristics is not common to all living beings ?
  7. How many meiosis will be required to produce 102 pollen-grains ?
  8. The segment of DNA which participates in crossing over is known as
  9. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  10.  A chemical mutagen is
  11. Exhibition of superiority by a hybrid over both of its parents is called
  12. Albinism in com plants is best described as
  13. Colour blindness is caused due to
  14. Chromosomes exhibit minimum coiling during
  15. The scientists who rediscovered the Mendel's laws are
  16. Klinefelter's syndrome is developed when the chromosome in male is
  17. The term 'meiosis' was coined bv
  18. Linkage is
  19. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  20. The chromosomal theroy of heredity implies that
  21. Which disease results from the genetic inability to synthesize a single enzyme ?
  22. The condition in which only one allele of a pair is present is known as
  23. The science dealing with study of inheritance and variation is
  24. Diakinesis is characterised by
  25. In humans, an example of sex-linked trait is
  26. Dyad is
  27. The number of characters investigated by Mendel was
  28. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  29. The best method to determine whether an individual is homozygous or heterozygous is
  30. Mutations which are not dominant are not lost by a gene pooL This is known as