02. Inheritance of Two Gene 1. Law of Independent Assortment
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Principle of Inheritance and Variation

184448 A man with blood group B marries a women with blood group \(A\) and their first child is having blood group \(B\). What is the genotype of child?

1 \(I^{a} I^{b}\)
2 \(I^{b} I^{o}\)
3 \(I^{\mathrm{a}} \mathrm{I}^{\mathrm{o}}\)
4 \(I^{b} I^{b}\)
Principle of Inheritance and Variation

184449 A dwarf pea plant in which bolting has occurred is crossed with a tall pure pea plant. What will be the phenotypic ratio in \(F_{1}\) generation ?

1 \(100 \%\) tall plants
2 \(100 \%\) dwarf plants
3 \(50 \%\) tall and \(50 \%\) dwarf plants
4 \(75 \%\) tall and \(25 \%\) dwarf plants
Principle of Inheritance and Variation

184452 A plant heterozygous for height and flower colour (TtRr) are selfed and 1600 of the resulting seeds are planted. If the distance between the loci controlling height and flower colour is I centimorgan, then how many offspring are expected to be short with white flower (ttrr)?

1 1
2 10
3 100
4 400
Principle of Inheritance and Variation

184454 Which one of the following genotype will show darkest kernel in wheat?

1 AAbb
2 \(\mathrm{AABb}\)
3 AABB
4 \(\mathrm{AaBb}\)
Principle of Inheritance and Variation

184448 A man with blood group B marries a women with blood group \(A\) and their first child is having blood group \(B\). What is the genotype of child?

1 \(I^{a} I^{b}\)
2 \(I^{b} I^{o}\)
3 \(I^{\mathrm{a}} \mathrm{I}^{\mathrm{o}}\)
4 \(I^{b} I^{b}\)
Principle of Inheritance and Variation

184449 A dwarf pea plant in which bolting has occurred is crossed with a tall pure pea plant. What will be the phenotypic ratio in \(F_{1}\) generation ?

1 \(100 \%\) tall plants
2 \(100 \%\) dwarf plants
3 \(50 \%\) tall and \(50 \%\) dwarf plants
4 \(75 \%\) tall and \(25 \%\) dwarf plants
Principle of Inheritance and Variation

184452 A plant heterozygous for height and flower colour (TtRr) are selfed and 1600 of the resulting seeds are planted. If the distance between the loci controlling height and flower colour is I centimorgan, then how many offspring are expected to be short with white flower (ttrr)?

1 1
2 10
3 100
4 400
Principle of Inheritance and Variation

184454 Which one of the following genotype will show darkest kernel in wheat?

1 AAbb
2 \(\mathrm{AABb}\)
3 AABB
4 \(\mathrm{AaBb}\)
Principle of Inheritance and Variation

184448 A man with blood group B marries a women with blood group \(A\) and their first child is having blood group \(B\). What is the genotype of child?

1 \(I^{a} I^{b}\)
2 \(I^{b} I^{o}\)
3 \(I^{\mathrm{a}} \mathrm{I}^{\mathrm{o}}\)
4 \(I^{b} I^{b}\)
Principle of Inheritance and Variation

184449 A dwarf pea plant in which bolting has occurred is crossed with a tall pure pea plant. What will be the phenotypic ratio in \(F_{1}\) generation ?

1 \(100 \%\) tall plants
2 \(100 \%\) dwarf plants
3 \(50 \%\) tall and \(50 \%\) dwarf plants
4 \(75 \%\) tall and \(25 \%\) dwarf plants
Principle of Inheritance and Variation

184452 A plant heterozygous for height and flower colour (TtRr) are selfed and 1600 of the resulting seeds are planted. If the distance between the loci controlling height and flower colour is I centimorgan, then how many offspring are expected to be short with white flower (ttrr)?

1 1
2 10
3 100
4 400
Principle of Inheritance and Variation

184454 Which one of the following genotype will show darkest kernel in wheat?

1 AAbb
2 \(\mathrm{AABb}\)
3 AABB
4 \(\mathrm{AaBb}\)
Principle of Inheritance and Variation

184448 A man with blood group B marries a women with blood group \(A\) and their first child is having blood group \(B\). What is the genotype of child?

1 \(I^{a} I^{b}\)
2 \(I^{b} I^{o}\)
3 \(I^{\mathrm{a}} \mathrm{I}^{\mathrm{o}}\)
4 \(I^{b} I^{b}\)
Principle of Inheritance and Variation

184449 A dwarf pea plant in which bolting has occurred is crossed with a tall pure pea plant. What will be the phenotypic ratio in \(F_{1}\) generation ?

1 \(100 \%\) tall plants
2 \(100 \%\) dwarf plants
3 \(50 \%\) tall and \(50 \%\) dwarf plants
4 \(75 \%\) tall and \(25 \%\) dwarf plants
Principle of Inheritance and Variation

184452 A plant heterozygous for height and flower colour (TtRr) are selfed and 1600 of the resulting seeds are planted. If the distance between the loci controlling height and flower colour is I centimorgan, then how many offspring are expected to be short with white flower (ttrr)?

1 1
2 10
3 100
4 400
Principle of Inheritance and Variation

184454 Which one of the following genotype will show darkest kernel in wheat?

1 AAbb
2 \(\mathrm{AABb}\)
3 AABB
4 \(\mathrm{AaBb}\)