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1n, 2n, 1c, 2c... - Cell ploidy made simple
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CC BY
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This set of resources was developed and employed numerous times to help students clarify the frequent confusion about cells' chromosome number and ploidy level. It uses simplified stick diagrams to represent chromosomes and circles or oval to represent cells and includes a short, low-tech video tutorial that delivers the information, a worksheet that students can use to practice and test their understanding of the video materials, a set of clicker questions that address the same points as the worksheet, and instructor's notes.

Subject:
Biology
Genetics
Material Type:
Module
Author:
Pam Kalas
Date Added:
01/18/2022
Biology
Unrestricted Use
CC BY
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Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Biology
Life Science
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
08/22/2012
Biology, Genetics, Meiosis and Sexual Reproduction, Sexual Reproduction
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CC BY-NC
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By the end of this section, you will be able to:Explain that meiosis and sexual reproduction are evolved traitsIdentify variation among offspring as a potential evolutionary advantage to sexual reproductionDescribe the three different life-cycle types among sexual multicellular organisms and their commonalities

Subject:
Applied Science
Biology
Life Science
Material Type:
Module
Date Added:
07/10/2017
Biology, Genetics, Meiosis and Sexual Reproduction, Sexual Reproduction
Conditional Remix & Share Permitted
CC BY-NC-SA
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By the end of this section, you will be able to:Explain that meiosis and sexual reproduction are evolved traitsIdentify variation among offspring as a potential evolutionary advantage to sexual reproductionDescribe the three different life-cycle types among sexual multicellular organisms and their commonalities

Subject:
Applied Science
Biology
Life Science
Material Type:
Module
Author:
Tina B. Jones
Date Added:
08/18/2019
Biology, Genetics, Meiosis and Sexual Reproduction, The Process of Meiosis
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CC BY-NC-SA
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By the end of this section, you will be able to:Describe the behavior of chromosomes during meiosisDescribe cellular events during meiosisExplain the differences between meiosis and mitosisExplain the mechanisms within meiosis that generate genetic variation among the products of meiosis

Subject:
Applied Science
Biology
Life Science
Material Type:
Module
Author:
Tina B. Jones
Date Added:
08/18/2019
Biology, Genetics, Meiosis and Sexual Reproduction, The Process of Meiosis
Conditional Remix & Share Permitted
CC BY-NC
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By the end of this section, you will be able to:Describe the behavior of chromosomes during meiosisDescribe cellular events during meiosisExplain the differences between meiosis and mitosisExplain the mechanisms within meiosis that generate genetic variation among the products of meiosis

Subject:
Applied Science
Biology
Life Science
Material Type:
Module
Date Added:
07/10/2017
Biology, Genetics, Mendel's Experiments and Heredity, Laws of Inheritance
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CC BY-NC
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By the end of this section, you will be able to:Explain Mendel’s law of segregation and independent assortment in terms of genetics and the events of meiosisUse the forked-line method and the probability rules to calculate the probability of genotypes and phenotypes from multiple gene crossesExplain the effect of linkage and recombination on gamete genotypesExplain the phenotypic outcomes of epistatic effects between genes

Subject:
Applied Science
Biology
Life Science
Material Type:
Module
Date Added:
07/10/2017
Biology, Genetics, Modern Understandings of Inheritance, Chromosomal Theory and Genetic Linkage
Conditional Remix & Share Permitted
CC BY-NC
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By the end of this section, you will be able to:Discuss Sutton’s Chromosomal Theory of InheritanceDescribe genetic linkageExplain the process of homologous recombination, or crossing overDescribe how chromosome maps are createdCalculate the distances between three genes on a chromosome using a three-point test cross

Subject:
Applied Science
Biology
Life Science
Material Type:
Module
Date Added:
07/10/2017
Biology I
Unrestricted Use
CC BY
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An introduction to cellular and molecular biology. Major topics include the biochemical basis of life, cell biology, photosynthesis, respiration, mitosis, meiosis, genetics, DNA structure and replication and protein synthesis. Students engage the scientific method by designing, conducting and evaluating laboratory experiences that include selected topics in cell structure and function, enzymes, respiration, photosynthesis, genetics and molecular biology. NOTE: Students may receive credit for BIO 119 or BIO 126, but not for both.

Subject:
Biology
Life Science
Material Type:
Full Course
Provider:
Greenfield Community College
Author:
Amanda Hyde
Date Added:
05/06/2019
Biology, Preface to Biology, Preface to Biology
Conditional Remix & Share Permitted
CC BY-NC
Rating
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Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Applied Science
Material Type:
Module
Date Added:
07/10/2017
Biology: Sex-Linked Traits
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CC BY-NC-SA
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This 14-minute video lesson covers the chromosomal basis for gender and sex-linked traits. [Biology playlist: Lesson 17 of 71].

Subject:
Biology
Life Science
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
05/18/2012
Comparing mitosis and meiosis
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CC BY-NC-SA
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Comparison of the processes of mitosis and meiosis. Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell. Mitosis involves one cell division, whereas meiosis involves two cell divisions.

Subject:
Biology
Life Science
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Sal Khan
Date Added:
05/05/2015