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In mammals, more than one chiasma per chromosome arm is an indication that crossing-over has occurred. Scientists compared the average number of chiasma among the species shown in the table. Specie Number of Average Number Chromosome Arms of Chiasma Human 41 Baboo 42 41.5 Mouse 23 Horse 41 50.5 Cat 38 50.5 Dog 39 80.5 Pig 32 40 Based on the data, which of the following questions could be asked to determine how the genetic diversity of these mammals would be affected in future generations? Are baboons or dogs more genetically diverse? Are horses more genetically diverse than other mammals? Are baboons less genetically diverse than other mammals? Do horses and cats express a comparable amount of genetic variation? 20

In mammals, more than one chiasma per chromosome arm is an indication that crossing-over has occurred. Scientists compared the average number of chiasma among the species shown in the table. Specie Number of Average Number Chromosome Arms of Chiasma Human 41 Baboo 42 41.5 Mouse 23 Horse 41 50.5 Cat 38 50.5 Dog 39 80.5 Pig 32 40 Based on the data, which of the following questions could be asked to determine how the genetic diversity of these mammals would be affected in future generations? Are baboons or dogs more genetically diverse? Are horses more genetically diverse than other mammals? Are baboons less genetically diverse than other mammals? Do horses and cats express a comparable amount of genetic variation? 20

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In mammals, more than one chiasma per chromosome arm is an indication that crossing-over has occurred. Scientists compared the average number of chiasma among the species shown in the table. Specie Number of Average Number Chromosome Arms of Chiasma Human 41 53 Baboo 42 41.5 Mouse 20 23 Horse 41 50.5 Cat 38 50.5 Dog 39 80.5 Pig 32 40 Based on the data, which of the following questions could be asked to determine how the genetic diversity of these mammals would be affected in future generations? Are baboons or dogs more genetically diverse? Are horses more genetically diverse than other mammals? Are baboons less genetically diverse than other mammals? Do horses and cats express a comparable amount of genetic variation?
Transcribed Image Text:In mammals, more than one chiasma per chromosome arm is an indication that crossing-over has occurred. Scientists compared the average number of chiasma among the species shown in the table. Specie Number of Average Number Chromosome Arms of Chiasma Human 41 53 Baboo 42 41.5 Mouse 20 23 Horse 41 50.5 Cat 38 50.5 Dog 39 80.5 Pig 32 40 Based on the data, which of the following questions could be asked to determine how the genetic diversity of these mammals would be affected in future generations? Are baboons or dogs more genetically diverse? Are horses more genetically diverse than other mammals? Are baboons less genetically diverse than other mammals? Do horses and cats express a comparable amount of genetic variation?
Various strains of bacteria are able to transfer genes to eukaryotic hosts. This process of horizontal gene transfer often results in the formation of enzymes in the host organism that assist in metabolic pathways. Which of the following is the most likely explanation for why bacterial genes are able to successfully transfer genes that produce enzymes in eukaryotic cells? Bacteria and Eukarya have similar mechanisms for the formation and use of enzymes in metabolic processes. Bacteria and Eukarya use the same enzymes in all of their metabolic processes so the genes are interchangeable. Bacteria and Eukarya share similar reproductive mechanisms so the cells reproduce without recognizing foreign DNA. Bacteria and Eukarya have the same mechanism for replicating DNA so genes can easily be transferred between the two types of cells.
Transcribed Image Text:Various strains of bacteria are able to transfer genes to eukaryotic hosts. This process of horizontal gene transfer often results in the formation of enzymes in the host organism that assist in metabolic pathways. Which of the following is the most likely explanation for why bacterial genes are able to successfully transfer genes that produce enzymes in eukaryotic cells? Bacteria and Eukarya have similar mechanisms for the formation and use of enzymes in metabolic processes. Bacteria and Eukarya use the same enzymes in all of their metabolic processes so the genes are interchangeable. Bacteria and Eukarya share similar reproductive mechanisms so the cells reproduce without recognizing foreign DNA. Bacteria and Eukarya have the same mechanism for replicating DNA so genes can easily be transferred between the two types of cells.
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