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High schoolers view a video that reviews Mendelian genetics. They discuss the Hardy-Weinberg Law and use Popsicle sticks to simulate genetic variations and ratios in offspring.
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Part 2: How Does New Genetic Information Evolve? Gene Duplications
An engaging video explains the mechanisms that cause changes to occur in genetic code. The narrator explains how duplication lengthens the genetic code and then highlights three examples of gene duplications and their resulting new traits.
9 mins 9th - 12th Science CCSS: Adaptable
Genes and Chromosomes
Doctors sometimes order a karyotype, a picture of the chromosomes present in a single cell, in order to check for chromosomal abnormalities or rare diseases. The video explains the relationship among genes, chromosomes, and karyotypes....
2 mins 9th - 12th Science CCSS: Adaptable
Gene Expression and the Order of the Operon
Looks aren't everything. According to my biology teacher, it's what is inside you that really matters. The video explains gene expression and regulation in prokaryotes using the Order of the Operon. It includes a description of the...
6 mins 7th - 12th Science
New Review The Sun Sneeze Gene
Do you sneeze when you go from dark to light areas? Twenty-five percent of the population does! It turns out that the characteristic is due to genetic code. Explore why this happens with a video from the Veritasium playlist that breaks...
6 mins 9th - 12th Science CCSS: Adaptable
Disruption of Genetic Equilibrium
Could a population stay the exact same over time with no change in allele frequencies? The video explains the Hardy-Weinberg equilibrium theorem and the assumptions it requires. It discusses mutation, migration, gene flow, genetic drift,...
4 mins 9th - 12th Science CCSS: Adaptable
New Review The Origin of Mammal Movement: Harvard Adventures, Part I
It may be difficult for some humans to walk and chew gum at the same time ... but reptiles can't breathe while running at all! Compare the skeletal systems of reptiles and mammals in the first installment of Brain Scoop's fossils and...
5 mins 6th - 12th Science CCSS: Adaptable