Curated OER
Interactive Meiosis
Students study meiosis and the stages of mitosis. In this meiosis lesson students divide into groups and complete an activity.
Curated OER
Sexual Reproduction and Meiosis
In this biology worksheet, 9th graders label each of the diagrams representing the stages of meiosis. Then they describe how gametes vary from other cells in the body. Students also explain what happens during the process of fertilization.
Curated OER
Sexual Reproduction and Meiosis
In this biology worksheet, 9th graders create one chromosome using a red plasticine and another using blue plasticine. Then they illustrate different ways of crossing over, including double crossovers. Students also explain genetic...
Curated OER
Mitosis vs. Meiosis
In this cell division worksheet, students compare and contrast the processes of mitosis and meiosis. Students complete 9 questions in a chart.
Curated OER
Biology Midterm Review
In this biology worksheet, 9th graders identify and locate various vocabulary terms pertaining to the study of biology. There are 50 biology terms located in the word search.
CK-12 Foundation
Ck 12: Dna and Chromosomes
[Free Registration/Login may be required to access all resource tools.] Tutorial serves as an introduction to chromosomes. It defines genes, chromosomes, and homologous chromosomes, while providing an explaination of chromatids and...
Cold Spring Harbor Laboratory
Dna From the Beginning: All Cells Arise From Pre Existing Cells
This animated explanation introduces the concept of mitosis by reviewing the research of Walther Flemming.
Nature Research
Scitable: Nucleic Acid Structure and Function
Get an in-depth look at the importance of DNA with this library of information on nucleic acid structure and function. Understand the structure and function of DNA by exploring topics in the chemical structure of DNA, organization of DNA...
PBS
Nova Online: How Cells Divide, Mitosis vs. Meiosis
Slideshow of mitosis and meiosis side-by-side. It is a summation of the two processes and the differences between them are clear.
Florida State University
Florida State University: Molecular Expressions: Introdution to Cell and Virus Structure
This resource provides a detailed diagram of animal, bacterial and plant cells and viral structure. Also included are detailed drawings, with definitions, of each of the cellular organelles.
CK-12 Foundation
Ck 12: Biology: Chromosomes
[Free Registration/Login may be required to access all resource tools.] An introduction to chromosomes.
BiologyWise
Biology Wise: Types of Chromosomes
Discusses the functions of chromosomes, features of their structure, and different types of chromosomes.
Other
North Dakota State: Dna Structure
A brief text overview of DNA structure and an introduction or mention of the various forms of DNA.