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If an individual does not breed true for its characters, it is called

A. homozygote

B. allelomorph

C. hybrid

D. ecotype

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  1. Down's syndrome is an example of
  2. When two genes are situated very close to each other in a chromosome
  3. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  4. Linkage is
  5. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  6. The segment of DNA which participates in crossing over is known as
  7. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  8. The scientists who rediscovered the Mendel's laws are
  9. In a monohybrid cross the Fi ratio of a backcross is
  10. Among the following which is a test cross?
  11. If an individual does not breed true for its characters, it is called
  12. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  13. Crossing over in meiosis occurs in
  14. The term 'meiosis' was coined bv
  15. Which one of the following chemical characteristics is not common to all living beings ?
  16. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  17. The genetic constitution of an organism is known as
  18. Transfer of a gene or genes through a virus is called
  19. Dyad is
  20. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  21. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  22. DNA duplication occurs in
  23. When is the sex of an offspring decided
  24.  A chemical mutagen is
  25. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  26. The number of characters investigated by Mendel was
  27. In humans, an example of sex-linked trait is
  28. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  29. Which disease results from the genetic inability to synthesize a single enzyme ?
  30. The science dealing with study of inheritance and variation is