Question

the heridity units are​

Answer 1

Genes are the units of heredity and are the instructions that make up the body's blueprint. They code for the proteins that determine virtually all of a person's characteristics. Most genes come in pairs and are made of strands of genetic material called deoxyribonucleic acid, or DNA

Answer 2

${\huge {\mathfrak {Answer :-}}}$

➡️ Genes, DNA.

That's it..