Zygote
A zygote is a cell that is formed by the union of two gametes, the sperm and the egg, during fertilization. It is the initial stage of a new organism and contains a complete set of genetic material, with half of the DNA coming from each parent.
Formation of Zygote
When a sperm cell fertilizes an egg cell, their genetic material combines to form a zygote. This process typically occurs in the fallopian tube of the female reproductive system.
Characteristics of Zygote
- Contains a complete set of genetic material
- Undergoes rapid cell division to form an embryo
- Is the earliest stage of development for a new organism
Role of Zygote in Development
The zygote undergoes a series of cell divisions, forming a structure called a blastocyst. The blastocyst then implants itself in the wall of the uterus, where it continues to develop into an embryo and eventually a fetus.
Study Guide Questions
- What is a zygote and how is it formed?
- What are the characteristics of a zygote?
- Describe the role of the zygote in the development of a new organism.
◂Earth Science Worksheets and Study Guides High School. Weather I
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ENVIRONMENTAL SCIENCE
Earth and Human Activity
Develop and use models to trace the flow of water, nitrogen, and phosphorus through the hydrosphere, atmosphere, geosphere, and biosphere.