Question

Where do genes come from?

Answer 1

Origin of Gene:

1. Genes are made up of nucleotides.
2. Gene is the genetic unit that passes on attributes and features from parents to their children.
3. Every DNA is one of a kind. Almost every cell in our body has a copy, arranged into 46 chromosomes in 23 pairs.
4. A child acquires one genome from the mother and the other from the father for every pair of chromosomes.
5. When egg and sperm combine, they produce a total of 46 chromosomes or $23$ pairs.