Most people do not realise that genetic disorders follow simple mathematics. Every human carries some faulty genes. These mutations are completely normal. There is nothing to worry about because most weak genes stay silent. They only become active when both parents carry the same faulty gene and accidentally pass it to their child. Here is the probability in simple terms. If only 1 partner is a carrier of a faulty recessive gene, there is 0% chance of a disorder. The child may become a carrier b