Tham KY's answer to James's Secondary 4 Biology question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tham KY
Tham Ky's answer
6052 answers (Tutor Details)
1st
Correct?
James
James
6 years ago
But why can't S and T be BB and bb? Can't I still result in U being Bb with a slight probability?
Tham KY
Tham KY
6 years ago
Choices in the table say "Only U... " or "Only U and R... ", so neither S nor T can take bb.