for "dummies"
MEIOSIS
By Karla Arias
Introduction
Why Is It Important??
Meiosis I
Meiosis II
Conclusion
What is It?
TOPICS OF DISCUSSION
INTRODUCTION
Before you ask, Why for "dummies"? It is not directed towards you, but to me. I realized when looking through scholarly articles, I could not fathom what these writers were talking about. Therefore, I decided to make this presentation to educate those who are like me and search "Meiosis in simple terms."This is for those who want to learn but don't want to stress. Enjoy this presentation!
WHAT IS IT?
Meiosis is nothing like Mitosis. In case you forgot, mitosis when a cell divides into two daughter cells. Meiosis determines why everyone looks so different (especially those who have the same parents).
MEIOSIS I
1. PROPHASE I
Chromatin forms chromosomes into X shapes.
2. METAPHASE I
Chromosomes line up in the middle and get ready to be separated.
3. ANAPHASE I
They are separated and moved to opposite ends of cell.
4. TELOPHASE I
Separated and start to divide into two with cytokinesis.
MEIOSIS 2
1. PROPHASE II
Chromatin condenses chromsomes again.
2. METAPHASE II
Chromosomes line up in the middle again.
3. ANAPHASE II
Both are split and taken to opposite sides of each cell.
4. TELOPHASE II
Chromosomes are already split and now they can divide into four.
WHY IS IT IMPORTANT?
- ESSENTIAL, ESPECIALLY IN SEXUAL EDUCATION - THE BODY HAS CELLS WITH 46 CHROMOSOMES. WHILE EGG AND SPERM EACH HAVE 23. TOGETHER THEY MAKE THE 46 CHROMOSOMES.- IT IS MORE DETAILED IN KNOWING WHAT HAPPENS INSIDE THE BODY INSTEAD OF PUNNETT SQUARES. (EX: “Meiosis generates diversity through two events: recombination and chromosome segregation” (“Meiosis: An Overview of Key Differences From Mitosis")).
CONCLUSION
In conclusion, Meiosis is a very meticulous process but it can be easily learned. It is important to remember that it happens in phases and it happens two times Meiosis I and Meiosis II. Without Meiosis, everyone (including siblings) would look exactly the same and the world would lack substance. Therefore, Meiosis is the reason why everyone in the world is so unique.
Ohkura, Hiroyuki. “Meiosis: An Overview of Key Differences from Mitosis.” Cold Spring Harbor Perspectives in Biology, U.S. National Library of Medicine, 20 Jan. 2015, pmc.ncbi.nlm.nih.gov/articles/PMC4448623/.
CITATIONS
ON MEIOSIS
ARTICLES
YOUTUBE VIDEOS
Meiosis on YouTube, youtu.be/kQu6Yfrr6j0?feature=shared. Accessed 19 Nov. 2024.
Alberts, Bruce. “Meiosis.” Molecular Biology of the Cell. 4th Edition., U.S. National Library of Medicine, 1 Jan. 1970, www.ncbi.nlm.nih.gov/books/NBK26840/.
