Genetics quizzes
How genes and chromosomes shape inherited traits, and why calico cats are almost always female.
2 quizzes
72 questions
Quizzes in this topic
-
Genetics: Mendelian inheritance · Mendel's Experiments and the Law of Segregation
How Mendel's pea crosses revealed that each parent passes on one of two intact alleles, and how to predict the odds that follow.
22 questions -
Genetics: Why Calico Cats Are Almost Always Female
A tour of genetics, from Mendel's peas to epigenetics, through the ideas that most surprise people.
50 questions
Try a question
From Genetics: Mendelian inheritance · Mendel's Experiments and the Law of Segregation
When those F1 plants self-pollinate, about what ratio of purple to white appears in the F2?
- 1 purple : 1 white
- 3 purple : 1 white
- 2 purple : 1 white
Show the answer
Answer: 3 purple : 1 white
Each F1 parent passes P or p with equal chance, giving PP, Pp, pP and pp; three of the four combinations contain P and look purple.
A few questions at a time, before your apps
BrainTok asks a few questions from quizzes like these before the apps you choose open, so your screen time turns into learning. For iPhone.
Join the beta