If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Genetics and Evolution — quick quiz

5 real NSEB questions on Genetics and Evolution. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

A researcher studying a dihybrid cross in pea plants (involving seed shape and seed color) obtained an F2 ratio of 9:3:3:1. However, in another plant species with similar traits, the F2 ratio was 9:7. What is the most likely explanation for this deviation from the expected dihybrid ratio?