Answer:
What are the options?
Explanation:
We can't help you if we don't have anything to pick from.
Crossing over is the exchange of chromosome segments between non-sister chromatids during the production of gametes.
a complete map of all potential genes a map disease-linked genes a genetic map of the 23 human chromosomes a list of all the genetic base pairs
Answer:
I think that 4 is the answer, sorry if I am wrong
