In this post, I am sharing the Class 12 Biology Chapter 21 Short Questions Notes PDF for the students of Intermediate Part 2. This chapter’s name is Cell Cycle. Students can download the Class 12 Biology Chapter 21 Short Questions Notes PDF on their laptops or mobile. These Biology Notes are for all the boards working under the Punjab Board like Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Kahn Board, and Sahiwal Board. Here are the complete FSC 2nd Year Biology Notes PDF chapters.
FSC Part 2 Biology Chapter 21 Short Questions Notes – Cell Cycle
Whate are apoptotic bodies?
The dying cells shrink during apoptosis. It then condenses and ultimateley split up. Thus it releases small membrane bounded apoptotic bodies.
What is synapsis?
The pairing of homologous chromosomes starts during zygotene. It is called synapsis.
What is tetrad?
Each paired complex structure is called as bivalent or tetrad.
What is chiasmata?
Non-sister chromatids of homologous chromosomes exchange their segments by chiasmata formation during crossing over.
What is crossing over?
The exchange of segment of the non-sister chromatids of homolgous chromosomes is called crossing over.
How to Download 2nd year Biology Chapter 21 Short Questions Notes
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