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Genetics Basics
Genetics is the study of heredity or inheritance. These resources will assist in the understanding of basic genetics.

How Science Has Built a Better Thanksgiving Turkey
For several decades researchers have been using science to build a better Thanksgiving turkey. These techniques involve selective breeding and nutrition management.

Sex Chromosome Abnormalities
Sex chromosome abnormalities occur as a result of chromosome mutations brought on by mutagens or problems that occur during meiosis.

Chromosomes and Gender
Chromosomes are long, stringy aggregates of genes that carry heredity information. Gender is determined by the presence or absence of certain chromosomes.

Reproduction in Animals: Asexual Reproduction
An introduction to the mechanisms of asexual reproduction in animals.

Reproduction in Animals: Sexual Reproduction
An introduction to the mechanisms of sexual reproduction in animals.

Sexual Reproduction: Fertilization
Information on internal and external modes of fertilization.

Blood Types Tutorial
Learn about human ABO markers and Rh factors. There is also a blood types problem set to complete for review.

DNA From the Beginning
"DNA From The Beginning is an animated, online textbook on genetics and molecular biology."

DNA Spirals
What does DNA look like? See for yourself.

The Interactive Fly
This site is a cyberspace guide to Drosophila genes and their roles in development. There is also a cool collection of Drosophila images.