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Genetics: Analysis and Principles 4th Edition by Robert Brooker
Edition 4ISBN: 978-0077474904Genetics: Analysis and Principles 4th Edition by Robert Brooker
Edition 4ISBN: 978-0077474904 Exercise 2
The technique known as DNA sequencing (described in Chapter 20) enables researchers to determine the DNA sequence of genes. Would this technique be used primarily by transmission geneticists, molecular geneticists, or population geneticists
Explanation
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The DNA is double stranded, polymeric molecule that is composed or made up of four different types of nucleotides; they are Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).
The DNA sequencing method is used for detection of various types of genes and the nature of different sequences, which are present on the genes.
(a) In the transmission genetics, one can study how the genes are transferred from one generation to the other generation. This stream of genetics, will explain about the various combinations of progeny that are obtained, during the different types of genetic crosses. The transmission genetics is also used to assess the genotypic nature of an individual. Thus, the DNA sequencing is not related to the transmission genetics.
(b) The DNA sequencing is exclusively used in the molecular genetics. The molecular genetics is related to the analysis of different types of genetic factors or genes that are present on the chromosomes. The genes have different types of regions like promoter sequences, exons (coding regions), introns (non-coding regions), and terminator sequences.
By analysing all these sequences, one can explain how the genes are expressed, and how the different modulating proteins, and supressing proteins are act on the genes during the gene expression. Thus, the DNA sequencing is primarily used by the molecular genetics.
(c) The term population genetics, explains about the transfer of gene poll form one population to the other population. The transfer of gene pool results in the rise of new species from the pre-existed populations. This stream broadly explains about the group of populations. Thus, the DNA sequencing is not related to the population genetics.
Thus, DNA sequencing is helpful in understanding some concepts of transmission genetics, and population genetics.
The DNA sequencing method is used for detection of various types of genes and the nature of different sequences, which are present on the genes.
(a) In the transmission genetics, one can study how the genes are transferred from one generation to the other generation. This stream of genetics, will explain about the various combinations of progeny that are obtained, during the different types of genetic crosses. The transmission genetics is also used to assess the genotypic nature of an individual. Thus, the DNA sequencing is not related to the transmission genetics.
(b) The DNA sequencing is exclusively used in the molecular genetics. The molecular genetics is related to the analysis of different types of genetic factors or genes that are present on the chromosomes. The genes have different types of regions like promoter sequences, exons (coding regions), introns (non-coding regions), and terminator sequences.
By analysing all these sequences, one can explain how the genes are expressed, and how the different modulating proteins, and supressing proteins are act on the genes during the gene expression. Thus, the DNA sequencing is primarily used by the molecular genetics.
(c) The term population genetics, explains about the transfer of gene poll form one population to the other population. The transfer of gene pool results in the rise of new species from the pre-existed populations. This stream broadly explains about the group of populations. Thus, the DNA sequencing is not related to the population genetics.
Thus, DNA sequencing is helpful in understanding some concepts of transmission genetics, and population genetics.
Genetics: Analysis and Principles 4th Edition by Robert Brooker
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