Chromosomes and Karyotypes

<p>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)</p>