Answer:
Ex3. The top squares are both Tt and the bottom squares are both tt. The probably of the offspring being a homozygous recessive is 50%.
Ex4. The difference between phenotype and genotype is that genotype is the exact genetic information while phenotype is the observable trait of the organism. For the example above, the genotype would be the Tt and tt while the 2 phenotypes would be showing the dominant or the recessive.
Step-by-step explanation: