Great whites have a DNA mystery science can’t explain
Once on the brink of extinction during the last ice age, great white sharks made a remarkable global recovery, but their DNA reveals a baffling story.
inheritance
What is a Punnett square?
Biologists who study inheritance patterns, genetic counselors, and you (apparently) need to bridge the gap between…
Galactosemia Punnett: recessive and fatal
Classic galactosemia is an inherited disease. The allele for normal digestion (G) is dominant, and the allele for galactosemia (g) is recessive.