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Heredity

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by

Kaitlyn Greenhoff

on 18 December 2012

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Transcript of Heredity

Heredity Kaitlyn Greenhoff I
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s Genetics is the study of genes, and how they work. Genes are how living organisms inherit features from their ancestors; for example, children usually look like their parents because they have inherited their parents' genes. Genetics tries to identify which features are inherited, and explain how these features are passed from generation to generation. In genetics, a feature of a living thing is called a "trait". Some traits are part of an organism's physical appearance; such as a person's eye-color, height or weight. Other sorts of traits are not easily seen and including blood types.
Genes are made from a long molecule called DNA, which is copied and inherited across generations. DNA is made of simple units that line up in a particular order within this large molecule. The order of these units carries genetic information, similar to how the order of letters on a page carries information. The language used by DNA is called the genetic code. Gene DNA An organic substance that
carries genetic
information and is the
element of heredity. the biological
unit that
carries inherited traits Allele



An allele is one of two or more versions of a gene.
An individual inherits two alleles for each gene, TASK 7 I
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S TASK 8 Dominant Bully
Capital Letters Recessive Wimp
Small Letters Heredity GENETICS Physical traits
that are passed
down from generation
to generation Homozygous Pure or
the same Heterozygous Hybrid or
different Example of
Dominate
and
Recessive Example of
Homozygous
and
Heterozygous Punnett
Squares Examples of
Punnett Squares Punnett
Square
Problom I
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S Task 9 Incomplete
Dominance When a gene
can not
completely match Polygenic
Inheritance The heredity of
characters that
are determined
by a large number
of genes Mutation A change in the
genes that is not
suppose to happen Gene Therapy THANK YOU TO... braingenie
ClarissaJeanAnimated
FLETCHnFRANK
Neo kids
MrJam2115 THANK YOU continued. Science Primer
Mindbitesdotcom
greatpacificmedia
CorticalStudios
You Tube
Google THE
END
Full transcript