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There are 37 videos in this category and 0 videos in 0 subcategories.
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Not Right For WatchKnowLearn
Ages: 7 - 11
1777 Views:
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Heredity is the passing of traits, or features, from parents to offspring through genes. Genes, which are found inside cells, are shared from one generation to the next, passing on all kinds of characteristics like eye color, dimples, freckles, and ...height. Learn more about heredity with this cartoon animation from StudyJams. A short, self-checking quiz is also included with this link.
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May 17, 2011 at 08:41 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
798 Views:
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This interactive activity, adapted from the Dolan DNA Learning Center, illustrates how a tool developed by scientist Reginald Punnett — the Punnett square — validates Gregor Mendel's laws of genetic inheritance. Watch how the Punnett square can be us...ed to display the possible genetic outcomes when two yellow-seed hybrid pea plants are crossed. The results clearly illustrate Mendel's principle of dominance and why the potential offspring traits appear with a predictable 3-to-1 dominant-to-recessive frequency.
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May 14, 2012 at 01:23 AM
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Not Right For WatchKnowLearn
Ages: 10 - 18
669 Views:
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Find out about the basics of cells, chromosomes, and the genes contained in your DNA. (04:26)
June 2, 2012 at 04:39 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
601 Views:
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Discover how your observable traits, or phenotypes, are the result of interactions between your genes and environment. (02:04)
June 2, 2012 at 04:46 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
530 Views:
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Learn about the variations in human DNA called SNPs, and how they can be used to understand relationships between people. (02:01)
June 2, 2012 at 04:40 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
445 Views:
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From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary
significantly across the animal kingdom. Biologist and teacher Aaron
Reedy shows us the amazing differences betwee...n species when it comes to determination of gender. (05:45)
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July 23, 2012 at 03:57 PM
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Not Right For WatchKnowLearn
Ages: 15 - 18
331 Views:
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What do a man, a mushroom, and an elephant have in common? A very long and simple double helix molecule makes us more similar and much more different than any other living thing. But, how does a simple molecule determine the form and function of so ...many different living things? (04:26)
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January 7, 2013 at 04:15 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
187 Views:
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Hank brings us the story of Gregor Mendel, the Austrian monk who, with the help of a garden full of pea plants, discovered the fundamental properties of inheritance and paved the way for modern genetics. He also gives us the dirt on a scientific scan...dal that has followed Mendel beyond the grave. (10:55)
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January 13, 2013 at 06:14 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
94 Views:
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Historically, the closer people lived to each other, the more genetic markers they shared. By using these regional patterns of variation, we can track the migratory paths of your ancestors to tell where you came from. (03:25)
March 17, 2013 at 01:58 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
2109 Views:
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Learn about the variations in human DNA called SNPs (single nucleotide polymorphisms), and how they can be used to understand relationships between people. Animation simplifies a difficult concept. Grades 7-12. 1:53 min.
August 10, 2009 at 04:58 AM
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