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8.Microbes in Human Welfare
normal
Gossypium hirsutumis
A
New world tetraploid
B
Old world tetraploid
C
New world diploid
D
Old world diploid
Solution
Gossypium hirsutumis an American (new world) cotton crop, which is tetraploid having $26$ pairs ( $n=26$ ) of chromosomes.
Standard 12
Biology