Genetics and Evolution

What Is a Genotype? What Is a Phenotype?

Is a Zebra Related to a Horse? The Biological Connection

Do Sheep Shed? Why Most Breeds Require Shearing

Can a Crocodile and Alligator Mate?

Can MTHFR Cause High B12? The Complex Answer

What Is the Chromosome Theory of Inheritance?

Are Penguins the Only Birds That Can’t Fly?

Are Plesiosaurs Still Alive? The Scientific Verdict

Can Domestic Cows Survive in the Wild?

Are Scorpions Asexual? The Science of Their Reproduction

How Long Is DNA in One Cell and How Does It Fit?

What Is the Role of rRNA in Translation?

Do Deer Play? How and Why They Engage in Play

How Does Artificial Selection Differ From Natural Selection?

Are Freckles Hereditary? The Role of Genetics and Sun

What Are Codons? How Many Codons Are There?

How does the DNA of prokaryotic and eukaryotic cells differ?

What Is the Skinniest Animal in the World?

Which Birds Have Blue Eggs? And Why Are They Blue?

What Holds the Two Strands of DNA Together?