Life Cycle - Plants (6B)
Lab 

 

PROBLEM: How can you predict the phenotype of a hybrid with 2 traits?

PREDICTION:

MATERIALS: circle "gametes"

PROCEDURE: 2 hybrid plants can each produce 4 possible genotypes. By using a grid like below determine the genotypes and phenotypes.

 

TR

Tr

tR

tr

TR

       

Tr

 

     

tR

 

     

tr

 

     

number

GENOTYPE

number

PHENOTYPE

_____

_____

_____

_____

TTRR

TtRR

TTRr

TtRr

_____

tall, red

_____

_____

TTrr

Ttrr

_____

tall, white

_____

_____

ttRR

ttRr

_____

dwarf, red

_____

ttrr

_____

dwarf, white

CONCLUSIONS: Summarize the graph above.

[Dictionary]  
  [Back to Life Cycle Grid]  [Back to Plants (6)]