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1 January 2014 “Chromoseratops meiosus”: A Simple, Two-Phase Exercise to Represent the Connection Between Meiosis & Increased Genetic Diversity
Dorit Eliyahu
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Abstract

I present an activity to help students make the connection between meiosis and genetic variation. The students model meiosis in the first phase of the activity, and by that process they produce gametes of a fictitious reptilobird species, “Chromoseratops meiosus.” Later on, they will “mate” their gametes and produce a zygote and a resulting reptilobird. They will determine the phenotype of the resulting reptilobird and draw it. As they compare their reptilobirds, they will be able to see all the resulting variations and to discuss the sources of this variation. This activity can be easily used as a basis for sequel activities that will emphasize the implications of genetic variation on natural and sexual selection.

©2014 by National Association of Biology Teachers. All rights reserved. Request permission to photocopy or reproduce article content at the University of California Press's Rights and Permissions Web site at www.ucpressjournals.com/reprintinfo.asp.
Dorit Eliyahu "“Chromoseratops meiosus”: A Simple, Two-Phase Exercise to Represent the Connection Between Meiosis & Increased Genetic Diversity," The American Biology Teacher 76(1), 53-56, (1 January 2014). https://doi.org/10.1525/abt.2014.76.1.11
Published: 1 January 2014
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KEYWORDS
gametes
genetic variation
meiosis
NATURAL SELECTION
zygote
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