Introduction to Genetic Analysis 74

Introduction to Genetic Analysis 74 - 3.4 Chromosome...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
73 3 THE CHROMOSOMAL BASIS OF INHERITANCE KEY QUESTIONS How do we know that genes are parts of chromosomes? How are genes arranged on chromosomes? Does a chromosome contain material other than genes? How is chromosome number maintained constant through the generations? What is the chromosomal basis for Mendel’s law of equal segregation? What is the chromosomal basis for Mendel’s law of independent assortment? How does all the DNA fit into a tiny nucleus? OUTLINE 3.1 Historical development of the chromosome theory 3.2 The nature of chromosomes 3.3 Mitosis and meiosis
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 3.4 Chromosome behavior and inheritance patterns in eukaryotes 3.5 Organelle chromosomes Lampbrush chromosomes. The chromosomes of some animals take on this lampbrush appearance during meiotic diplotene in females. The lampbrush structure is thought to be reminiscent of the underlying organization of all chromosomes: a central scaffold (here stained brightly) and projecting lateral loops (stained red) formed by a folded continuous strand of DNA with associated histone proteins. [M. Roth and J. Gall.] 44200_03_p73-114 3/3/04 1:47 PM Page 73...
View Full Document

This note was uploaded on 01/10/2011 for the course BIOL BIOL taught by Professor Johnson during the Spring '08 term at Aberystwyth University.

Ask a homework question - tutors are online