The orbit of the earth is almost circular, that of Mercury is the most elliptical,
the planes of the orbits of the plants differ only slightly from the plane of the
earths orbit, except for Mercury, which has an inclination of about 7degrees.
F ly E m b r y o n ic P a t t e r n in g M u t a n t s
Anterior-Posterior Patterning Mutants
Hierarchy of Gene Action in A/P Patterning
B ic o id
Controlled by Mother
Controlled by Embryo
P a ir - r u le G e n e s
S e g
R r R r
R r R r
The "Gurdon" experiment:
Does every cell in an organism contain all the genetic information to make a complete individual?
Host egg Unfertilized egg Ultraviolet radiation of egg to destroy nucleus Enucleated egg
Patterning the Arabidopsis fruit
Arabidopsis fruit structure
Arabidopsis fruit opening
Fruit dehiscence promotes seed dispersal
Genes involved in seed dispersal in Arabidopsis can cont
The chromosome theory of inheritance
proposed that genes are located on
chromosomes. Chromosomes are a complex
of DNA and proteins.
Which contains the genetic material DNA or
DNA hypothesis Genes c
Biology 153 Principles of Physiology and Development
Dr. Adrienne Edwards
T, TH 10-noon; F 1-2, by appt.
898-5861; but email is best!
Dr. Jonathan Day
406 CHAPTER 9
countries, The Gambia, Mauritius and Botswana,
. have maintained democratic institutions for some
time, but the analysis still predicts that political
freedoms will diminish in these places. (A military
coup in Iuly 1994 has already reduced
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1. Blend for 15-30 seconds: 1 cup of broccoli 1/8 teaspoon salt 1 cup cold water 2. Pour liquid through sieve 3. Add, stir gently, and let sit for 10 min: 2 tablespoons detergent 1/8 teaspoon meat tenderizer 4. Pour off small amount into tub
The members of the EYESEE company invite you to reserve a table at
SCIS Job Fair, Thursday, Nov 5, 2014, 8:00 AM to 9:30 PM,
HongQiao Road, 156, Room 217, Desk #
For these year the EYESEE company has been working on the apps
Milestones of the
Going to the moon
Solving the structure of DNA
and unraveling the mysteries
DNA Carries the Code of Life
The Point of Fertilization Orients the D/V Axis of the Frog
-Catenin Acts as a Morphogen to Pattern the D/V Axis
Gastrulation: From Embryo to Tadpole
Cleavage: From Fertilized Egg to Blastula
Gastrulation of A Frog Em
A mutant is different than normal.
The mutant characteristic is passed
on to the next generation.
Central Dogma of Biology!
DNA -> RNA -> Protein!
Mutations Often Result in the!
Flower Meristem Identity
APETALA1, LEAFY, CAULIFLOWER,
Flower Organ Identity
A, B, C
V O L . 5 0 N O. 2
Julian Birkinshaw and Jules Goddard
What Is Your
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