Chapter 3 - Chap 03 THE BIOLOGICAL BASIS • Perspective...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chap 03 THE BIOLOGICAL BASIS • Perspective • Knowledge of basic principles of genetics needed to understand human evolution and adaptation • Genetics: • The study of genes and how traits transmitted from one generation to next Transmission of traits • Cells are the basic or fundamental unit of life Some are single cells • Multicellular organism made of : • Complex eukaryotic cells • Contain nucleus with chromosomes • Structure of a Eukaryotic Cell • Nucleus • Contains two kinds of nucleic acids • with genetic information • 1) DNA (deoxyribonucleic acid) • Double stranded molecule) • (de·ox·y·ri·bo·nu·cle·ic) acid • 2) RNA (single stranded) Outside the Nucleus 1) Mitochondrial DNA 2) Ribosomes • Types of Cells • Two types • 1. Somatic cells • Body tissue 1 • 2. Gametes • Sex cells (sperm or ova) • Reproduction • 3. DNA Structure (Discovered in 1953) • Double-stranded molecule • Two chains of nucleotides • Nucleotide **a little piece of DNA. BASIC UNIT OF THE DNA MOLECULE** • Basic units of DNA molecule • Single nucleotide is composed of a sugar and a, phosphate • And one of four DNA bases (A,G,T,C) • 4. DNA Replication • DNA molecules make copies of themselves • Enzymes break bond between strands • Attract complementary nucleotides...
View Full Document

This note was uploaded on 09/23/2011 for the course ANTHROPOLO ANT 2511 taught by Professor Long during the Spring '11 term at University of Central Florida.

Page1 / 6

Chapter 3 - Chap 03 THE BIOLOGICAL BASIS • Perspective...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online