Khan Academy
Introduction to Heredity
Young scientists generally love to learn how certain traits can be explained by a direct combination of alleles from their parents. Here, they can examine how a phenotype is often expressed when one allele is recessive and the other is...
Curated OER
Genetics and The Structure of DNA - Part 1/2
If you could unravel all the DNA in your body and stretch it out, it would reach to the sun and back...over 100 times! How incredible! Cover basic genetic vocabulary and hear a geneticist speak about your body's internal recipe....