Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Concept explainers

Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of anoth…
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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Recall that the nuclear membrane disintegrates late in prophase of mitosis in most eukarvotic cells. Once the membrane is reformed in telophase in a daughter cell, several components of gene expression mignt therefore be "caught" out in the cytoplasm when they would otherwise onlv ever be found inside the nucleus. Consider where the following components of gene expression are made and where they runction. Which component is normally never found in the cytoplasm outside the nucleus? O A. Spliced intron • B. RNA polymerase O C. Histones • D. DNA polymerase
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