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Introduction to Genetics

Mendelian basics
by

Richard Mayberry

on 21 January 2011

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Transcript of Introduction to Genetics

Introduction to Genetics Gregor Mendel 1822 - 1884 Augustinian monk Born in Austrian Moravia,
(Now part of Czech Republic) Experimented with
mice and peas Interested in probability and statistics Sexual Reproduction
in
Flowering Plants Floral Anatomy Flower
is the sex organ
of most plants Terminology Trait Pure Breeding Strain Alleles Dominant Recessive "Factor" Parental Generation Fillial Conclusions Gametes Unit Characters Dominance Segregation Independent
Assortment "Sex cells" combined for reproduction Generation of offspring A type or variety within a species
having similar traits The cause of a trait
(gene) Pure breeding parents
producing offspring Producing the same traits
whenever bred within the group Any inherited characteristic A trait that may not be expressed even when its
factor is present A trait always expressed whenever
its factor is present The alternate expressions
of a particular trait Experiments Hybrid Having parents with
a mixture of
traits
Math/Science
teacher In charge of
monestery
gardens Traits are controlled by
paired "factors" Some factors can
"mask" the presence
of other factors Paired factors are separated
in gamete production Segregated factors can
"mix-and-match" in
any possible combination While still considered the foudation
of modern genetic principles, Mendel's
work was not appreciated during his lifetime. Mendel died as Abbot of
the monestery in 1884 Traits are controlled by
paired "factors" Unit Characters Dominance Some factors can
"mask" the presence
of other factors Segregation Paired factors are separated
in gamete production Independent Assortment Segregated factors can
"mix-and-match" in
any possible combination
Full transcript