Polytene chromosomes in salivary glands of are formed as a result of
Polytene chromosomes in salivary glands of are formed as a result of
- A
Endoduplication
- B
Duplication without separation
- C
Replication of $DNA$ without cell division
- D
All of the above
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Which of the following phenomena leads to variation in $DNA$?
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A diseased man marries a normal woman and they get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is
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Somaclonal variation appears in
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When heterozygous tall plants are self-pollinated than tall and dwarf plants are obtained, this is explain to
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