Unit 9: Genetics / Punnett Squares UPDATED ACTUAL Exam Questions and CORRECT Answers

Unit 9: Genetics / Punnett Squares
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Dominant Gene - CORRECT ANSWER - The "stronger" gene that shows up in an
organism


50 % yellow

50% green - CORRECT ANSWER - What % of offspring will be yellow?
What % of offspring will be green?


Recessive Gene - CORRECT ANSWER - The "weaker" gene that may be hidden by a
dominant gene


Homozygous Dominant - CORRECT ANSWER - RR



Homozygous Recessive - CORRECT ANSWER - bb



Hybrid - CORRECT ANSWER - Tt



Punnett Square - CORRECT ANSWER - The diagram that is used to predict an outcome
of a particular cross or breeding experiment


Gregor Mendel - CORRECT ANSWER - A pioneer in the study of heredity. He performed
his experiments on pea plants in the 1800s.


Genotype - CORRECT ANSWER - The genetic makeup of an organism represented by
two letters. Examples: GG, Bb, tt