Question

where and how are chromosomes formed?state their significance

Answer 1

the nucleus contains thin fibre like materials called chromatin fibres when the cell is not dividing and when the cell gets mature and gets ready to divide, the fibres got thickened and are called chromosomes. hence,they exit in nucleus.

their significance:-

1)they contains information for inheritance of features from parents to next generations in the form of DNA(Deoxy Ribonucleic Acid)

2)they carry genes on them ,the heriditary material.

3)our facial appearance is the result of combination and recombinations of the genes

Answer 2

Answer: thread-like structure found in the called chromosomes these chromosomes are the structure responsible for the inheritance of characters by one generation from the earlier generation

Explanation: