Which of the following statements are false?

$I.$ A Dominant allele determines the phenotype when paired with a recessive allele

$II.$ A recessive allele is weaker than a dominant allele

$III.$ A recessive allele do not shows its effects when paired with a dominant allele

$IV.$ A dominant allele is always better for an organism

The production of gametes by the parents, the formation of zygotes the $F_1$ and $F_2$ plants, can be understood using

Genes which code for a pair of contrasting traits are known as ……..

The first law of Mendel

A cross between one tall plant and one dwarf plant resulted in offspring having tall plants. What would be the genotype of offsprings ?