Biology - Heredity and Evolution

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56. Mendel crossed tall plant with dwarf plant in his famous experiment on Pisum sativum. In the first generation, got only tall plants. Because (NTSE Tamil Nadu, Stage-I, 2016-17)

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57. Colour-blindness is more common in men than in women due to (NTSE Karnataka, Stage-I, 2016-17)

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58. A pea plant with yellow and round seeds (VYRR) is crossed with a pea plant having green and wrinkled (yyrr) seeds then in F 2 generation of this
dihybrid cross 320 plants are produced. Out of which 180 plants have same phenotypic characters. Identify this phenotype. (NTSE Maharashtra, Stage-I, 2016-17)

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59. The offsprings formed as a result of sexual reproduction exhibit more variations because (NTSE Haryana, Stage-I, 2016-17)

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60. The sex of a male child is determined by which of the following?  (NTSE Haryana, Stage-I, 2016-17)

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