What fraction of American children are over weight?
1/3 or one third
American life expectancy
dropped 5 years
Epigenetics
study of children inheriting and expressing new traits from parents without DNA changing
What characteristics did the parents of the skinny brown mouse have?
they were fat and yellow
How was that possible?
genes switched off because the mother mouse had better care
DNA methylation
genetic suppression
Can genetic blueprints change?
yes
Greek prefix "epi"
upon, after or in addition
vole
furry fat mouse
common name for Daphnia
fresh water flea
What affect does a mother lizard smelling another lizard eating a snake while she is pregnant have?
the length of the lizard's tail
miscarried fetuses usually
have genetic abnormalities
phenotype
physical expression of genotype
human female
born with all eggs she will ever have
epigenetic occurs
before birth and through out life
If parents are extremely stressed
children are prone to be depressed and have less self control
gene less methylated
gene more active
Death rate in India of people with oral cancer
70%
Folic acid reduce
birth defects
What causes a tolerance to drugs and alcohol?
lack of enzymes to break it down
What is the Human Epigenome Project
listing of every gene that methyl can attach
According to this chapter, science is never
easy
WE WILL WRITE A CUSTOM ESSAY SAMPLE ON
ANY TOPIC SPECIFICALLY FOR YOU
FOR ONLY $13.90/PAGE