NOTE:
This presentation was not made for
public use. Please do not use this
presentation without my permission and
the permission of each of the authors of
the photographs, quotes, and other
materials that they contain.
Thank you,
Vicki Hughes
Labs, Activities and Worksheets for this
presentation:
Tour of the Basics WS
zofuzo
GENETICS
Yíchuán xué
ONLINE ASSIGNMENT
GO TO http://learn.genetics.utah.edu/
Complete the following lessons…
Tour of Basic Genetics
(all sections)
Complete the Tour of Basic Genetics
Worksheet as you do the lessons.
CELL DIVISION AND REPRODUCTION
cytokinesis
Baby Cell
Cell Cycle:
Goo
Growing!
Prepare
to
Divide!
DNA
Replication
2 x 2…
http://www.youtube.com/watch?v=2xeEdn8EXyk&feature=related
Burp
excuse
me
GENETICS
Which traits do you have?
Traits vs. Genes
Phenotype = traits you see
Genotype = actual genes
Karyotype = “picture” of genes
Sexual and Asexual Reproduction
Asexual Reproduction
Sexual Reproduction
makes clones
(genetically identical
copies)
makes gametes
(genetically different
zygotes)
www.manlyrash.com
MITOSIS
www.startseeingblackdogs.com
MEIOSIS
strongdogz.com
MITOSIS
(Asexual Reproduction/Cloning)
Answer:
Identical daughter cells
1
Parent
Cell
What does this cut have to do with Mitosis?
Why do cells need Mitosis?
• for reproduction
– one celled organisms
(clones)
• for growth & development
– from fertilized egg to multicelled organism
• for repair
– replace cells that die
or are lost
Mitosis & Reproduction
• Asexual Reproduction
– Cloning the traits of a
single parent to create a
new organism that is
genetically identical to
the parent
– Advantages
• Don’t have to find a
partner
– Disadvantages
• No chance to improve the
All the babies are identical to the parents!
species. Why not?
Organims that do Asexual Reproduction
• Single-celled eukaryotes
– yeast
– Paramecium
– Amoeba
• Simple multicellular
eukaryotes
– Hydra
• budding
“BUD”
How to count chromosomes – count centromeres
MITOSIS starts
with two (2)
chromosomes
in each cell.
Ends with two (2)
chromosomes in
each cell.
How many chromosomes
per cell? 2
How many chromosomes
per cell? 2
MITOSIS:
Dividing of the DNA -- Dividing of the Cell
http://highered.mcgrawhill.com/sites/0072495855/student_view0
/chapter2/animation__mitosis_and_cytoki
nesis.html
ANY
QUESTIONS?
Call it as you see it!
Prophase
Metaphase
Anaphase
Telophase
EOG 12