Which of the following evolutionary changes is an illustration of horizontal gene transfer?the human point mutation which changes a T into an A in the sickle-cell b-globin geneB. origin of the tetraploid potato (Solanum tuberosum) from its diploid ancestor (Solanum stenotomum)non-disjunction of the duplicated human chromosome 21, causing Down’s syndromeD. the green sea slug acquiring the genes for making chlorophyll from the chloroplasts of green algaethe single gene deletion which can reduce the variety of mating types in yeast

Gene is the structural and functional unit in the DNA. Genes are composed of nucleotide nitrogenous…

Answered: Which of the following evolutionary…

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Biology

Which of the following evolutionary changes is an illustration of horizontal gene transfer?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter13: Genes, Chromosomes, And Human Genetics

Section: Chapter Questions

Problem 2ITD

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

Which of the following evolutionary changes is an illustration of horizontal gene transfer?

the human point mutation which changes a T into an A in the sickle-cell b-globin gene
B. origin of the tetraploid potato (Solanum tuberosum) from its diploid ancestor (Solanum stenotomum)
non-disjunction of the duplicated human chromosome 21, causing Down’s syndrome
D. the green sea slug acquiring the genes for making chlorophyll from the chloroplasts of green algae
the single gene deletion which can reduce the variety of mating types in yeast

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