The individual with least and most heterozygous loci from the given microsatellite image. Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

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Answer 1

Question

Chapter 18, Problem 1P

Summary Introduction

To determine: The individual with least and most heterozygous loci from the given microsatellite image.

Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

Expert Solution & Answer

Explanation of Solution

In the given microsatellite image, a gel having loci for 5 microsatellites has been represented. The three vertical lanes on the gel correspond to three individuals (1, 2, and 3).

It can be seen from the image that there are 3 alleles for locus 1. At loci 2 and 3, there are 2 alleles. Similarly, at loci 4 and 5, there are 2 alleles.

Individual 1 is not heterozygous at any locus, individual 2 is heterozygous at loci 1 and 2. Individual 3 is heterozygous at loci 1, 3, and 4.

Hence, it is clear that individual 3 has the most heterozygous loci while individual 1 has least (zero) heterozygous loci.

Conclusion

Individual 1 and 3 have the least and the most heterozygous loci.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 18, Problem 1P

Summary Introduction

To determine: The individual with least and most heterozygous loci from the given microsatellite image.

Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

Expert Solution & Answer

Explanation of Solution

In the given microsatellite image, a gel having loci for 5 microsatellites has been represented. The three vertical lanes on the gel correspond to three individuals (1, 2, and 3).

It can be seen from the image that there are 3 alleles for locus 1. At loci 2 and 3, there are 2 alleles. Similarly, at loci 4 and 5, there are 2 alleles.

Individual 1 is not heterozygous at any locus, individual 2 is heterozygous at loci 1 and 2. Individual 3 is heterozygous at loci 1, 3, and 4.

Hence, it is clear that individual 3 has the most heterozygous loci while individual 1 has least (zero) heterozygous loci.

Conclusion

Individual 1 and 3 have the least and the most heterozygous loci.

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Answer 3

Question

Chapter 18, Problem 1P

Summary Introduction

To determine: The individual with least and most heterozygous loci from the given microsatellite image.

Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

Expert Solution & Answer

Explanation of Solution

In the given microsatellite image, a gel having loci for 5 microsatellites has been represented. The three vertical lanes on the gel correspond to three individuals (1, 2, and 3).

It can be seen from the image that there are 3 alleles for locus 1. At loci 2 and 3, there are 2 alleles. Similarly, at loci 4 and 5, there are 2 alleles.

Individual 1 is not heterozygous at any locus, individual 2 is heterozygous at loci 1 and 2. Individual 3 is heterozygous at loci 1, 3, and 4.

Hence, it is clear that individual 3 has the most heterozygous loci while individual 1 has least (zero) heterozygous loci.

Conclusion

Individual 1 and 3 have the least and the most heterozygous loci.

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Answer 4

Question

Chapter 18, Problem 1P

Summary Introduction

To determine: The individual with least and most heterozygous loci from the given microsatellite image.

Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

Expert Solution & Answer

Explanation of Solution

In the given microsatellite image, a gel having loci for 5 microsatellites has been represented. The three vertical lanes on the gel correspond to three individuals (1, 2, and 3).

It can be seen from the image that there are 3 alleles for locus 1. At loci 2 and 3, there are 2 alleles. Similarly, at loci 4 and 5, there are 2 alleles.

Individual 1 is not heterozygous at any locus, individual 2 is heterozygous at loci 1 and 2. Individual 3 is heterozygous at loci 1, 3, and 4.

Hence, it is clear that individual 3 has the most heterozygous loci while individual 1 has least (zero) heterozygous loci.

Conclusion

Individual 1 and 3 have the least and the most heterozygous loci.

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Answer 5

Chapter 18, Problem 1P

Summary Introduction

To determine: The individual with least and most heterozygous loci from the given microsatellite image.

Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

Expert Solution & Answer

Explanation of Solution

In the given microsatellite image, a gel having loci for 5 microsatellites has been represented. The three vertical lanes on the gel correspond to three individuals (1, 2, and 3).

It can be seen from the image that there are 3 alleles for locus 1. At loci 2 and 3, there are 2 alleles. Similarly, at loci 4 and 5, there are 2 alleles.

Individual 1 is not heterozygous at any locus, individual 2 is heterozygous at loci 1 and 2. Individual 3 is heterozygous at loci 1, 3, and 4.

Hence, it is clear that individual 3 has the most heterozygous loci while individual 1 has least (zero) heterozygous loci.

Conclusion

Individual 1 and 3 have the least and the most heterozygous loci.

Answer 6

Chapter 18, Problem 1P

Summary Introduction

To determine: The individual with least and most heterozygous loci from the given microsatellite image.

Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

Expert Solution & Answer

Explanation of Solution

In the given microsatellite image, a gel having loci for 5 microsatellites has been represented. The three vertical lanes on the gel correspond to three individuals (1, 2, and 3).

It can be seen from the image that there are 3 alleles for locus 1. At loci 2 and 3, there are 2 alleles. Similarly, at loci 4 and 5, there are 2 alleles.

Individual 1 is not heterozygous at any locus, individual 2 is heterozygous at loci 1 and 2. Individual 3 is heterozygous at loci 1, 3, and 4.

Hence, it is clear that individual 3 has the most heterozygous loci while individual 1 has least (zero) heterozygous loci.

Conclusion

Individual 1 and 3 have the least and the most heterozygous loci.

Answer 7

Chapter 18, Problem 1P

Summary Introduction

To determine: The individual with least and most heterozygous loci from the given microsatellite image.

Introduction: A microsatellite is a segment of repetitive DNA that contains specific DNA motifs repeated anywhere between 5 and 50 times. Numerous sites across the genome of an organism contain microsatellites. They experience more mutations than other parts of the DNA. Microsatellites are frequently employed for DNA profiling, or genetic fingerprinting, of tissues and crime scene stains. They are frequently employed in paternity analysis as well.

Answer 8

Expert Solution & Answer

Explanation of Solution

In the given microsatellite image, a gel having loci for 5 microsatellites has been represented. The three vertical lanes on the gel correspond to three individuals (1, 2, and 3).

It can be seen from the image that there are 3 alleles for locus 1. At loci 2 and 3, there are 2 alleles. Similarly, at loci 4 and 5, there are 2 alleles.

Individual 1 is not heterozygous at any locus, individual 2 is heterozygous at loci 1 and 2. Individual 3 is heterozygous at loci 1, 3, and 4.

Hence, it is clear that individual 3 has the most heterozygous loci while individual 1 has least (zero) heterozygous loci.