Face? i think so bc you talk with it, and see with it!
C. 50%
Explanation: in a punnet square the heterozygous and the homozygous recessive cross and make the two genotypes Bb and bb so there for bb would be 50% and Bb world be 50% as we’ll.
Answer:
A scientific theory.
Theories are never set in stone, but are widely accepted and have evidence to support them.