Linkage
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342372 In a cross Drosophila, the heterozygous animal with grey body \(\left( {{b^ + }} \right)\) and long wings \(\left( {v{g^ + }} \right)\) was crossed with black body and vestigeal wings, the progeny has the animals in the following ratio : grey vestigeal 24; grey long 126; black long 26; black vestigeal 124.What is the frequency of recombinations in the population?

1 \(16.7\% \)
2 \(15.8\% \)
3 \(14.5\% \)
4 \(17.5\% \)
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342373 ‘Gene – mapping’ technology was developed
by

1 Correns
2 Sturtvent
3 Mendel
4 Tschermak
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342374 The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:

1 T.H. Morgan
2 Gregor J. Mendel
3 Alfred Sturtevant
4 Sutton Boveri
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342375 In the following figure in cross A, what are characters deplicated
supporting img

1 Colour of the body, colour of the eye
2 Colour of the body, size of the wings
3 Colour of the eye, size of the wings
4 Colour of the body, colour of the wings
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342376 Which of the following is true about linkage?
I. Morgan coined the term linkage
II. Very tightly linked genes showed low recombination
III. Alfred Sturtevant gave the concept of gene mapping
IV. It is a phenomenon which rules out the universality of law of independent assortment
Choose the correct option.

1 Only I
2 Only II
3 I and III
4 All
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342372 In a cross Drosophila, the heterozygous animal with grey body \(\left( {{b^ + }} \right)\) and long wings \(\left( {v{g^ + }} \right)\) was crossed with black body and vestigeal wings, the progeny has the animals in the following ratio : grey vestigeal 24; grey long 126; black long 26; black vestigeal 124.What is the frequency of recombinations in the population?

1 \(16.7\% \)
2 \(15.8\% \)
3 \(14.5\% \)
4 \(17.5\% \)
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342373 ‘Gene – mapping’ technology was developed
by

1 Correns
2 Sturtvent
3 Mendel
4 Tschermak
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342374 The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:

1 T.H. Morgan
2 Gregor J. Mendel
3 Alfred Sturtevant
4 Sutton Boveri
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342375 In the following figure in cross A, what are characters deplicated
supporting img

1 Colour of the body, colour of the eye
2 Colour of the body, size of the wings
3 Colour of the eye, size of the wings
4 Colour of the body, colour of the wings
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342376 Which of the following is true about linkage?
I. Morgan coined the term linkage
II. Very tightly linked genes showed low recombination
III. Alfred Sturtevant gave the concept of gene mapping
IV. It is a phenomenon which rules out the universality of law of independent assortment
Choose the correct option.

1 Only I
2 Only II
3 I and III
4 All
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342372 In a cross Drosophila, the heterozygous animal with grey body \(\left( {{b^ + }} \right)\) and long wings \(\left( {v{g^ + }} \right)\) was crossed with black body and vestigeal wings, the progeny has the animals in the following ratio : grey vestigeal 24; grey long 126; black long 26; black vestigeal 124.What is the frequency of recombinations in the population?

1 \(16.7\% \)
2 \(15.8\% \)
3 \(14.5\% \)
4 \(17.5\% \)
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342373 ‘Gene – mapping’ technology was developed
by

1 Correns
2 Sturtvent
3 Mendel
4 Tschermak
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342374 The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:

1 T.H. Morgan
2 Gregor J. Mendel
3 Alfred Sturtevant
4 Sutton Boveri
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342375 In the following figure in cross A, what are characters deplicated
supporting img

1 Colour of the body, colour of the eye
2 Colour of the body, size of the wings
3 Colour of the eye, size of the wings
4 Colour of the body, colour of the wings
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342376 Which of the following is true about linkage?
I. Morgan coined the term linkage
II. Very tightly linked genes showed low recombination
III. Alfred Sturtevant gave the concept of gene mapping
IV. It is a phenomenon which rules out the universality of law of independent assortment
Choose the correct option.

1 Only I
2 Only II
3 I and III
4 All
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BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342372 In a cross Drosophila, the heterozygous animal with grey body \(\left( {{b^ + }} \right)\) and long wings \(\left( {v{g^ + }} \right)\) was crossed with black body and vestigeal wings, the progeny has the animals in the following ratio : grey vestigeal 24; grey long 126; black long 26; black vestigeal 124.What is the frequency of recombinations in the population?

1 \(16.7\% \)
2 \(15.8\% \)
3 \(14.5\% \)
4 \(17.5\% \)
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342373 ‘Gene – mapping’ technology was developed
by

1 Correns
2 Sturtvent
3 Mendel
4 Tschermak
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342374 The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:

1 T.H. Morgan
2 Gregor J. Mendel
3 Alfred Sturtevant
4 Sutton Boveri
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342375 In the following figure in cross A, what are characters deplicated
supporting img

1 Colour of the body, colour of the eye
2 Colour of the body, size of the wings
3 Colour of the eye, size of the wings
4 Colour of the body, colour of the wings
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342376 Which of the following is true about linkage?
I. Morgan coined the term linkage
II. Very tightly linked genes showed low recombination
III. Alfred Sturtevant gave the concept of gene mapping
IV. It is a phenomenon which rules out the universality of law of independent assortment
Choose the correct option.

1 Only I
2 Only II
3 I and III
4 All
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342372 In a cross Drosophila, the heterozygous animal with grey body \(\left( {{b^ + }} \right)\) and long wings \(\left( {v{g^ + }} \right)\) was crossed with black body and vestigeal wings, the progeny has the animals in the following ratio : grey vestigeal 24; grey long 126; black long 26; black vestigeal 124.What is the frequency of recombinations in the population?

1 \(16.7\% \)
2 \(15.8\% \)
3 \(14.5\% \)
4 \(17.5\% \)
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342373 ‘Gene – mapping’ technology was developed
by

1 Correns
2 Sturtvent
3 Mendel
4 Tschermak
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342374 The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:

1 T.H. Morgan
2 Gregor J. Mendel
3 Alfred Sturtevant
4 Sutton Boveri
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342375 In the following figure in cross A, what are characters deplicated
supporting img

1 Colour of the body, colour of the eye
2 Colour of the body, size of the wings
3 Colour of the eye, size of the wings
4 Colour of the body, colour of the wings
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342376 Which of the following is true about linkage?
I. Morgan coined the term linkage
II. Very tightly linked genes showed low recombination
III. Alfred Sturtevant gave the concept of gene mapping
IV. It is a phenomenon which rules out the universality of law of independent assortment
Choose the correct option.

1 Only I
2 Only II
3 I and III
4 All