Glodowski lec 9

Glodowski lec 9 - What is genetic material? Contains...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
What is genetic material? Contains information and the expression of this information gives its phenotype. It has to be stored in this organism and can be passed on to future generations. It must be stable but have the ability to change. Genes are the units of heredity. They have to be able to replicated/copied before mitosis/meiosis. Genetic information is carried on chromosomes. o DNA and protein. Which is genetic material? At first people favored protein (there was ability to store more complex information than DNA// more amino acids than nucleotides…) Null hypothesis: protein is genetic material o Experiments Griffith (1928) // Avery et al (1944) Diplococcus pneumonia. Lethal in mice. Two strains, smooth (S) vs. rough (R). Smooth is covered with coat that makes it smooth (virulent – infectious). Rough is mutant (non-virulent). S mice died R mice alive Did whatever in S had to be alive? Heat-Killed S
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/20/2012 for the course GENETICS 380 taught by Professor Glodowski during the Fall '08 term at Rutgers.

Page1 / 2

Glodowski lec 9 - What is genetic material? Contains...

This preview shows document pages 1 - 2. Sign up to view the full document.

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