Define inheritance. What is what is the basis of heredity. who proposed law of inheritance in living organisms
A chromosome contains a single, long dna molecule.
dna winds around protein spools, and the spooled unit then coils, loops, and supercoils, forming a chromosome.
A large proportion of eukaryotic dna is present in multiple copies.
Most of the multiple-copy dna has no known function.
Gregor Mendel proposed law of inheritance in living organisms