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Standard X
Biology
Question

A pure tall Pea plant is crossed with pure dwarf Pea plant. The progeny is self-pollinated. The ratio of true breeding tall Pea plants to true breeding dwarf Pea plants shall be
  1. 2 : 1
  2. 3 : 1
  3. 1 : 1
  4. 1 : 2

A
1 : 2
B
2 : 1
C
1 : 1
D
3 : 1
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Solution
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The correct option is B 1 : 1

The F1 progeny obtained by the crossing of pure tall pea plant with pure dwarf pea plant, is subjected to self pollination, in the next generation 1 homozygous tall 2 heterozygous tall 1 homozygous dwarf progeny are formed. The ratio exists between the homozygous tall and homozygous dwarf is 1:1.

So,the correct option is ‘1:1’.
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