Select the correct answer:
  
1. In monohybrid cross, the four possible combinations in the F2 generation are clearly understood when the gametes are placed in a

2. Read the following four statements about the homozygous and heterozygous, have mistakes in two of them, find out it

a. In Mendel's experiment, the tall parent (TT) is homozygous dominant, while the dwarf parent (tt) is homozygous recessive.
b. The zygote carries dissimilar or non-identical factors responsible for a character's expression is called homozygous.
c. The zygote carries similar or identical factors that are responsible for character expression is called heterozygous.
d. The word homo means similar; zygous means pair.