But the tall allele is “dominant,” meaning that a tall-short allele combination would result in a tall plant. If two tall plants that both carried short alleles (the “recessive” version of that trait) ...

Just because a trait is dominant does not mean it is common. Each color represents different levels of light eyes. Blue=80%+, teal=50-79%, olive=20-49%, brown=1-19%, black=none. Image courtesy of Dark ...

"I will go up to the six-fingered man and say, 'Hello. My name is Inigo Montoya. You killed my father. Prepare to die.'" - Inigo Montoya, "The Princess Bride" If the six-fingered man had survived his ...

Populations live in rapidly changing environments – droughts come and go, food sources change, human activities reshape habitats. For scientists, this raises a fundamental puzzle: How do populations ...

As a group, carriers of recessive disorders are slightly less healthy and have a reduced chance of having offspring. This disadvantage is greatest for carriers of a recessive gene for intellectual ...