In human zygote , the male sex is determined by
Good nutrition of the mother
Stronger father than mother
Strength of male sex chromosome
Specific combination of sex chromosome
Division of cytoplasm?
Karyokinesis
Cy tokinesis
Mitosis
Meiosis
Crossing over occurs between two homologous chromosome is
Leptotene
Diplolene
Pachytene
Zygotene