Tag: mendelian trait

Population Genetics: When Darwin Met Mendel – Crash Course Biology #18

Population Genetics: When Darwin Met Mendel – Crash Course Biology #18

By Micah Moen 100 Comments August 16, 2019

Hey look! It’s our friend Gregor Mendel, the supermonk who discovered the basic principles of genetics. Hopefully you remember all of this. Both parents contribute one version of each of their genes called an allele, to their offspring. And some of those alleles are dominant, or always expressed, while others are recessive and only expressed […]

Heredity: Crash Course Biology #9

Heredity: Crash Course Biology #9

By Micah Moen 100 Comments August 14, 2019

So, I have this brother, John. You may have heard of him. JOHN: Hi there! HANK: As it happens, John and I have the exact same parents. JOHN: Yes, Mom and Dad Green. HANK: And since we have the same parents, it’s to be expected that John and I would have similar physical characteristics because […]