The chromosomal theroy of heredity implies that

A. chromosomes are composed of DNA and protein

B. genes are composed of chromosomes

C. organism cannot live withoutchromosomes

D. genes are located on the chromosomes and are transmitted to the next generation through them.

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  1. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  2. Albinism in com plants is best described as
  3. Mutations which are not dominant are not lost by a gene pooL This is known as
  4. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  5. Linkage is
  6. The science dealing with study of inheritance and variation is
  7. The condition in which only one allele of a pair is present is known as
  8. The first person to induce mutations was
  9. The number of characters investigated by Mendel was
  10. The segment of DNA which participates in crossing over is known as
  11. In humans, an example of sex-linked trait is
  12. The chromosomal theroy of heredity implies that
  13. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  14. Klinefelter's syndrome is developed when the chromosome in male is
  15. Down's syndrome is an example of
  16. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  17. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  18. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  19. The nuclear membrane completely disappears during
  20. Dyad is
  21. Lethal genes are those which
  22. A codon is a sequence of 3 nucleolides on
  23. Among the following which is a test cross?
  24. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  25. How many meiosis will be required to produce 102 pollen-grains ?
  26. Exhibition of superiority by a hybrid over both of its parents is called
  27. Chromosomes exhibit minimum coiling during
  28. Colour blindness is caused due to
  29. If an individual does not breed true for its characters, it is called
  30.  A chemical mutagen is