342394
The map distance between genes A and B is 3 units between B and C is 10 units and between C and A is 7 units. The order of the genes in a linkage map constructed on the above data will possibly be
1 A, B, C
2 B, A, C
3 A, C, B
4 B, C, A
Explanation:
According to the linkage maps, the distance between genes A and B is 3 units, between B and C is 10 units and between C and A is 7 units. Therefore the order of the genes on chromosomes is B, A and C.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342395
Incorrect statement is:
1 Chromosomes as well as genes occur in triplet
2 Mendel could not provide any physical proof for the existence of factors.
3 In the Mendelian dihybrid cross, segregation of one pair of characters are independent from the segregation of the pair of characters.
4 Linkage was given by Morgan
Explanation:
Chromosomes and genes will always occur in pairs.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342396
Match the columns I and II. Column I Column II A Law of segregation P Purity of gametes B Dihybrid test cross Q Morgan C Dihybrid cross fruit fly R Mendel D Re-discovery of Mendel’s work S de Vries
1 A – R , B – P , C – Q, D – S
2 A – Q , B – R , C – P, D – S
3 A – P , B – R , C – Q, D – S
4 A – Q , B – P , C – R , D – S
Explanation:
A-P , B-R, C-Q, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342397
Who gave the concept of gene mapping?
1 Morgan
2 Alfred Sturtevant
3 Anton Von Sturtevant
4 Albert Sturtevant
Explanation:
Alfred Sturtevant used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes and ‘mapped’ their position on the chromosome.
342394
The map distance between genes A and B is 3 units between B and C is 10 units and between C and A is 7 units. The order of the genes in a linkage map constructed on the above data will possibly be
1 A, B, C
2 B, A, C
3 A, C, B
4 B, C, A
Explanation:
According to the linkage maps, the distance between genes A and B is 3 units, between B and C is 10 units and between C and A is 7 units. Therefore the order of the genes on chromosomes is B, A and C.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342395
Incorrect statement is:
1 Chromosomes as well as genes occur in triplet
2 Mendel could not provide any physical proof for the existence of factors.
3 In the Mendelian dihybrid cross, segregation of one pair of characters are independent from the segregation of the pair of characters.
4 Linkage was given by Morgan
Explanation:
Chromosomes and genes will always occur in pairs.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342396
Match the columns I and II. Column I Column II A Law of segregation P Purity of gametes B Dihybrid test cross Q Morgan C Dihybrid cross fruit fly R Mendel D Re-discovery of Mendel’s work S de Vries
1 A – R , B – P , C – Q, D – S
2 A – Q , B – R , C – P, D – S
3 A – P , B – R , C – Q, D – S
4 A – Q , B – P , C – R , D – S
Explanation:
A-P , B-R, C-Q, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342397
Who gave the concept of gene mapping?
1 Morgan
2 Alfred Sturtevant
3 Anton Von Sturtevant
4 Albert Sturtevant
Explanation:
Alfred Sturtevant used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes and ‘mapped’ their position on the chromosome.
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BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342394
The map distance between genes A and B is 3 units between B and C is 10 units and between C and A is 7 units. The order of the genes in a linkage map constructed on the above data will possibly be
1 A, B, C
2 B, A, C
3 A, C, B
4 B, C, A
Explanation:
According to the linkage maps, the distance between genes A and B is 3 units, between B and C is 10 units and between C and A is 7 units. Therefore the order of the genes on chromosomes is B, A and C.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342395
Incorrect statement is:
1 Chromosomes as well as genes occur in triplet
2 Mendel could not provide any physical proof for the existence of factors.
3 In the Mendelian dihybrid cross, segregation of one pair of characters are independent from the segregation of the pair of characters.
4 Linkage was given by Morgan
Explanation:
Chromosomes and genes will always occur in pairs.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342396
Match the columns I and II. Column I Column II A Law of segregation P Purity of gametes B Dihybrid test cross Q Morgan C Dihybrid cross fruit fly R Mendel D Re-discovery of Mendel’s work S de Vries
1 A – R , B – P , C – Q, D – S
2 A – Q , B – R , C – P, D – S
3 A – P , B – R , C – Q, D – S
4 A – Q , B – P , C – R , D – S
Explanation:
A-P , B-R, C-Q, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342397
Who gave the concept of gene mapping?
1 Morgan
2 Alfred Sturtevant
3 Anton Von Sturtevant
4 Albert Sturtevant
Explanation:
Alfred Sturtevant used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes and ‘mapped’ their position on the chromosome.
342394
The map distance between genes A and B is 3 units between B and C is 10 units and between C and A is 7 units. The order of the genes in a linkage map constructed on the above data will possibly be
1 A, B, C
2 B, A, C
3 A, C, B
4 B, C, A
Explanation:
According to the linkage maps, the distance between genes A and B is 3 units, between B and C is 10 units and between C and A is 7 units. Therefore the order of the genes on chromosomes is B, A and C.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342395
Incorrect statement is:
1 Chromosomes as well as genes occur in triplet
2 Mendel could not provide any physical proof for the existence of factors.
3 In the Mendelian dihybrid cross, segregation of one pair of characters are independent from the segregation of the pair of characters.
4 Linkage was given by Morgan
Explanation:
Chromosomes and genes will always occur in pairs.
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342396
Match the columns I and II. Column I Column II A Law of segregation P Purity of gametes B Dihybrid test cross Q Morgan C Dihybrid cross fruit fly R Mendel D Re-discovery of Mendel’s work S de Vries
1 A – R , B – P , C – Q, D – S
2 A – Q , B – R , C – P, D – S
3 A – P , B – R , C – Q, D – S
4 A – Q , B – P , C – R , D – S
Explanation:
A-P , B-R, C-Q, D-S
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION
342397
Who gave the concept of gene mapping?
1 Morgan
2 Alfred Sturtevant
3 Anton Von Sturtevant
4 Albert Sturtevant
Explanation:
Alfred Sturtevant used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes and ‘mapped’ their position on the chromosome.
