Chapter 3The Biological Basis of Development

The Fertilization Process

Sperm

Mission: Get DNA to egg

Ovum (Egg)

Menstrual Cycle

Implantation

Twins

Infertility

Click on the symbol for causes of male or female

infertility

Assisted Reproduction Technologies

Adoption

Heredity at Work

Chromosomes & Genes

What are genes &

chromosomes?

DNA: Structure & Function

Deoxyribonucleic Acid

How Traits Are Transmitted

Gregory Mendel

Hereditary Disorders

Chromosomal Disorders

Down Syndrome

Klinefelter Syndrome

Turner Syndrome

Hereditary Disorders

• Genetic Disorders -Tay-Sachs Disease -Sickle-cell anemia -Cystic Fibrosis -Spina bifida -hemophilia -color blindness

Human Genome Project