What is crossing-over?

In prophase I of meiosis, homologous, non-sister chromatids form connections called chiasmata at matching loci. The complex then splits to give chromatids with different combinations of genes than were present in either pairing. This increases genetic diversity.

Answered by Emma S. Biology tutor

2528 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

How do cholinergic synapses communicate with each other (5)


Suggest how a wood mouse maintains a constant body temperature when in a cold environment?


Describe how the sequence of bases in a DNA molecule would be used to form the primary structure of a protein.


"why has the amount of antibiotics in animal feeds gone down in recent times"


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences