Join with a free account for more service, or become a member for full access to exclusives and extra support of WorldSupporter >>

What is a zygote?

A zygote is the single-celled organism that forms when a sperm cell fertilizes an egg cell. It represents the initial stage of life for a new individual.  

What are the main features of a zygote?

  • Diploid: Contains a complete set of chromosomes, half from each parent.  
  • Totipotent: Has the potential to develop into any type of cell in the body.
  • Undergoes rapid division: The zygote undergoes a process called cleavage, where it rapidly divides into multiple cells.  

Why is the zygote important?

  • Genetic blueprint: It carries the genetic information that will determine the traits of the developing organism.  
  • Foundation of development: The zygote is the starting point for the entire process of embryonic development.  
  • Basis of reproduction: The formation of a zygote is essential for sexual reproduction.

What are the applications of zygote research?

  • In vitro fertilization (IVF): Zygotes are created in a laboratory setting to assist in fertility treatments.
  • Stem cell research: Zygotes can be used to derive embryonic stem cells, which have the potential to differentiate into various cell types.
  • Genetic testing: Zygotes can be tested for genetic disorders before implantation, a process known as preimplantation genetic diagnosis (PGD).  

Example

A fertilized human egg cell is a zygote. It begins its journey through the fallopian tube, eventually implanting in the uterine wall and developing into an embryo.  

Critical comments

  • Ethical concerns: The use of zygotes in research, particularly embryonic stem cell research, raises ethical questions about the beginning of life and the destruction of potential human beings.
  • Limitations: While zygotes have immense potential, their development is influenced by a complex interplay of genetic and environmental factors, making it difficult to fully understand and control.

Image

Access: 
Public

Image

This content refers to .....
Summaries and Study Assistance - Start

Summaries and Study Assistance - Start

Image
Summaries, study notes, tips and tools for study and know how For optimal and free use of summaries, study help, exam tickets, practice exams, bullet points notes join JoHo WorldSupporter then check the study and exam tips; study the material through the summaries; repeat the material through the bullets or notes master the material through the practice exams. .... and....... read more

Image

 

 

Contributions: posts

Help other WorldSupporters with additions, improvements and tips

Add new contribution

CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Image CAPTCHA
Enter the characters shown in the image.

Image

Spotlight: topics

Check the related and most recent topics and summaries:
Activity abroad, study field of working area:

Image

Check how to use summaries on WorldSupporter.org

Online access to all summaries, study notes en practice exams

How and why would you use WorldSupporter.org for your summaries and study assistance?

  • For free use of many of the summaries and study aids provided or collected by your fellow students.
  • For free use of many of the lecture and study group notes, exam questions and practice questions.
  • For use of all exclusive summaries and study assistance for those who are member with JoHo WorldSupporter with online access
  • For compiling your own materials and contributions with relevant study help
  • For sharing and finding relevant and interesting summaries, documents, notes, blogs, tips, videos, discussions, activities, recipes, side jobs and more.

Using and finding summaries, study notes and practice exams on JoHo WorldSupporter

There are several ways to navigate the large amount of summaries, study notes en practice exams on JoHo WorldSupporter.

  1. Use the menu above every page to go to one of the main starting pages
    • Starting pages: for some fields of study and some university curricula editors have created (start) magazines where customised selections of summaries are put together to smoothen navigation. When you have found a magazine of your likings, add that page to your favorites so you can easily go to that starting point directly from your profile during future visits. Below you will find some start magazines per field of study
  2. Use the topics and taxonomy terms
    • The topics and taxonomy of the study and working fields gives you insight in the amount of summaries that are tagged by authors on specific subjects. This type of navigation can help find summaries that you could have missed when just using the search tools. Tags are organised per field of study and per study institution. Note: not all content is tagged thoroughly, so when this approach doesn't give the results you were looking for, please check the search tool as back up
  3. Check or follow your (study) organizations:
    • by checking or using your study organizations you are likely to discover all relevant study materials.
    • this option is only available trough partner organizations
  4. Check or follow authors or other WorldSupporters
    • by following individual users, authors  you are likely to discover more relevant study materials.
  5. Use the Search tools
    • 'Quick & Easy'- not very elegant but the fastest way to find a specific summary of a book or study assistance with a specific course or subject.
    • The search tool is also available at the bottom of most pages

Do you want to share your summaries with JoHo WorldSupporter and its visitors?

Quicklinks to fields of study for summaries and study assistance

Field of study

Follow the author: Skills Supporter
Work for WorldSupporter

Image

JoHo can really use your help!  Check out the various student jobs here that match your studies, improve your competencies, strengthen your CV and contribute to a more tolerant world

Working for JoHo as a student in Leyden

Parttime werken voor JoHo

Statistics
225