Genetics & DNA:The Science Of Heredity
Published on Nov 18, 2015
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PRESENTATION OUTLINE
SeXUAL REPRODUCTION
- 2 parents combine genetic material
- New organism is made
- Differs from parents
Photo by ChrisGoldNY
ASEXUAL REPRODUCTION
- 1 parent makes an offspring
- Offspring is identical to parent
Photo by Brian Daniel Eisenberg
MITOSIS
ROSALIND FRANKLIN DISCOVERED...
- DNA could exist in dry & wet form
- Used x-rays on DNA
- Important contribution to DNA studies, girl
- Shared her info w/ Watson & Crick
- When the X-Ray was done, Watson saw it
Photo by arne h
DNA WAS ACTUALLY DISCOVERED IN 1869
- By a Swiss biologist, Friedrich Miescher
- Studied white blood cells by bandages
- Found nucleic acid
Photo by chrstphre
Untitled Slide
- Sadly, Rosalind died at 37
- Cancer from radiation
- Never getting a Nobel prize
Photo by OZinOH
WHAT MAKES UP DNA?
Photo by Leo Reynolds
'DOUBLE HELIX' STRUCTURE
Photo by blarfiejandro
THE GENE
- Section of a DNA molecule
- Holds info to code 1 protein
- Made of a series of bases in a specific order
- A single gene can hold a ton of combos of bases
Photo by Lost Tulsa
Each organism has a unique set of DNA due to a ton of possible combos of bases.
Photo by Mukumbura
THE ORDER OF BASES
- A group of 3 DNA bases codes for one specific amino acid
- Determines the order of the amino acids to make a protein
Photo by Libertas Academica
Process where an identical copy of a strand of DNA is made for a new cell
Photo by pasukaru76
2 sides of a DNA molecule unwind & seperate between the nitrogen pairs, then make new strands
Photo by picturecase
DO YOU HAVE ANY QUESTIONS?
I HOPE YOU UNDERSTOOD, AND MORE IMPORTANTLY, ENJOYED!
Photo by Leo Reynolds
