Genotypes & Phenotypes

Mrs. Rothenberger

TT tt Tt

-organisms’ genetic make ups

-organisms’ appearances

developed the

Problem: How can you predict traits of offspring

produced by parents with known genotypes?

Cross #1- pure dominant ______ x pure recessive ______

Cross #2- pure dominant ______ x hybrid ______

Cross #3- hybrid ______ x hybrid ______

Cross #4- hybrid ______ x pure recessive ______

BbBBBB

BbBbbbBb

Cross #1- pure dominant

______ x pure recessive ______

Cross #2- pure dominant ______ x hybrid ______

Lab book Answers

Cross #3- hybrid ______ x hybrid ______

BbCross #4- hybrid ______ x pure

recessive ______

BB b B

Lab book Answers

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