Question

Do all humans have same genes?

Answer 1

Genes:

1. It is the basic functional and physical unit of hereditary.
2. It is made up of DNA (Deoxyribonucleic acid).

Alleles:

1. They are variants of the same gene.
2. It causes variation among people.
3. It is the variation in nucleotide sequencing of alleles.
4. $>99$ percent of genes are similar in all humans.