Cleft Lip and Palate in Children

Please be specific like the examples that I uploaded.

Please include:
1- Find 3 different types of genes that cause cleft palate [for lip and palate]
2- Explain mechanism of each 3 types and what they do
3-Genetic contribute to cleft palate for lip and palate
Introduction, background, objective, most specific importance, this disease cause how many children/pair, medical genetics [source], treatment/prevent, conclusion