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Activity 1. Monohybrid Cross Using the Punnett Square
Directions: Read the situation and answer the questions that
follow. Write your answers on a separate sheet of
paper.
Situation:
Tasks:
O+
A homozygous red Santan flower (RR) is crossed with a
homozygous pink Santan flower (rr).
Activity 5. Dihybrid Cross Using the Punnett Square
Directions: Show the dihybrid cross of both hybrid/heterozygous
tall, green mango(TtGg) by filling up the blank boxes in
the Punnett square and answer the questions that follow.
T
G
1. Show the given cross using the Punnett square.
2. Write the genotypes and phenotypes of the resulting offspring.
G
E
Questions:
1. Count the number of:
Tall green Mango:
Short yellow Mango:
Tall yellow Mango:
Short green Mango:
2. Write the phenotypic ratio.
Phenotypic ratio.