Respuesta :
The correct answer is option 2. As the interlocking structure is a chromosome.
The chromosomes are the building blocks of the genetic code. a manual has instructions regarding how to build blocks and is also used to make models.
What are genetic instruction manuals?
At the functional level genes, DNA is all instruction manuals that describe cells information. these genes are transferred during fertilization ad passed on to the offspring.
Thus it is concluded that the manual chromosome for model of genetic.
To know more about manual chromosomes refer to the link:
https://brainly.com/question/24732293