University of Maryland
Univ. Of Maryland Baltimore Cty/biology Century
Historical perspective on Mendel's contribution. Spends a little time setting up what the current beliefs of Mendel's day were and how he changed things with what he did.
PBS
Pbs: Never Say Die: The Clock of Life
This site from the PBS production, Scientific American Frontier "Never Say Die", includes a section entitled "The Clock of Life". It provides a discussion of cell death through shortening of the telomere. A good class activity included.
Sophia Learning
Sophia: Dna: Lesson 2
Explains how DNA contains genetic material and how it is housed in chromosomes. This lesson is 2 of 5 in the series titled "DNA."
Sophia Learning
Sophia: Dna: Lesson 1
Explains how DNA contains genetic material and how it is housed in chromosomes. This lesson is 1 of 5 in the series titled "DNA."
Sophia Learning
Sophia: Metaphase: Lesson 3
This lesson will explain in detail what occurs in the process of metaphase. It is 3 of 4 in the series titled "Metaphase."
Sophia Learning
Sophia: Metaphase: Lesson 4
This lesson will explain in detail what occurs in the process of metaphase. It is 4 of 4 in the series titled "Metaphase."
Sophia Learning
Sophia: Metaphase: Lesson 1
This lesson will explain in detail what occurs in the process of metaphase. It is 1 of 4 in the series titled "Metaphase."
Sophia Learning
Sophia: Dna: Lesson 4
Explains how DNA contains genetic material and how it is housed in chromosomes. This lesson is 4 of 5 in the series titled "DNA."
CK-12 Foundation
Ck 12: Life Science: Cell Nucleus
[Free Registration/Login may be required to access all resource tools.] The nucleus is only found in eukaryotic cells. It contains most of the genetic material of the cell. It is surrounded by a double membrane, or nuclear envelope, that...
Howard Hughes Medical Institute
Hhmi: Bio Interactive: Structure and Function of Telomeres
Discover the cutting edge research going on with telomeres. Find out what they are, how they replicate and their role in the aging process.
American Museum of Natural History
American Museum of Natural History: O Logy: What Makes You You? What Makes Me Me?
Simple animation explains the function of chromosomes, genes, and DNA by letting you zoom into a cell nucleus for a closer look.
BiologyWise
Biology Wise: Chromosomes: The Carriers of Genetic Information
Explains what chromosomes are, their structure, their functions within a cell, and the health impact of mutations in a gene sequence.
BiologyWise
Biology Wise: Facts About Human Chromosomes
Presents information about human chromosomes, their structure, and genetic disorders that can result from mutations.
BiologyWise
Biology Wise: Chromosomes vs. Chromatids: What You Need to Know
Explains what chromosomes are, how chromatids are related to them, and how they function together during cell division.
BiologyWise
Biology Wise: What Is a Haploid Cell?
Explains what haploid cells are and the role they play in reproduction.
BiologyWise
Biology Wise: Haploid Number Explained
Explains what the haploid number is and how it differs from a diploid number.
BiologyWise
Biology Wise: The Structure and Functions of a Cell Nucleus
The parts of a cell nucleus are described along with a list of the functions of a cell nucleus.
Ducksters
Ducksters: Biology for Kids: Chromosomes
Explore the topics of chromosomes in the science of biology including what they do, DNA, alleles, genes, proteins and human chromosomes on this site.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Heredity?
Defines heredity, DNA, and chromosomes and discusses Gregor Mendel, the "father of genetics".
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Chromosome?
Defines chromosomes, what they are made of, their structure, different types, and chromatids.
