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Genetics (heredity: is the passing of traits from parents to children,…
Genetics
heredity: is the passing of traits from parents to children
your traits are carried in your genes
genes are made of DNA which stands for deoxyryval acids
humans have 46 chromosomes 23 from your mom 23 from your dad
no two sets of DNA are a like
males have sperm cells and females have eggs once they combine they create a baby
traits can be dominant or recessive
to have a recessive trait both the sperm and the egg have to have that trait.
for your eye color and skin color more than one gene is involved
your genes enviernment and nutrition effect who you are and look
every cell in your body has the same genes
dominant genes are going to show more
inherited trait is something your born with
learned behavior is something you learned through experience
Gregor Mendel studied pea plants to learn about heredity
Mendel learned about dominant and recessive traits.
the punnent square is used to predict the chances of traits
Mendel studied 30,000individual pea over 8 years
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the mutation is a permanent change to the DNA
mutations are usually bad
cancer is cause by mutations
mutations that are good can cause evolution(when it spreads)
mutations can be caused be a surprise for example when a cell separates
