Explore chromosomes and karyotypes with the Amoeba Sisters! This video explains chromosome structure, how chromosomes are counted, why chromosomes are important, and how they can be arranged in a karyotype! This video also tackles a few misconceptions about how chromosomes.
Table of Contents:
00:00 Intro
1:15 What makes up a chromosome?
2:18 Understanding replicated vs. unreplicated chromosome
3:28 Introducing a Karyotype
4:01 Potential Misconception with Karyotype
5:28 XX and XY Chromosomes
Vocabulary includes chromosome, centromere, sister chromatids, chromatin, nucleosome, haploid, diploid, homologous chromosomes, gametes, autosomes, and sex chromosomes!
Special thanks to Dr. Brian Davis for his expertise in verifying that a typical karyotype would show 2 chromatids per chromosome. (This has been a misconception we’ve seen in the classroom from many diagrams)
Reference: OpenStax, Biology. OpenStax CNX. Mar 21, 2018 @.
A real life karyotype from NIH (in public domain) : can be excellent for viewing alongside this video.
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The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky’s certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:
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We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:
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Hindi Subtitles Credit: Alisha Aggarwal
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