Concept 2 Genes come in pairs.
Gregor Mendel with fellow monks, around 1848.
Gregor Mendel and fellow monks, around 1862. Mendel is holding a fuschia sprig - a plant with which he made hybrids.
Mendel image referred to as the "handsome" Mendel, 1862.
Mendel and the teaching staff at the Brno modern school, 1864-65.
Cathedral that was the seat of the Augustinian order in Old Brno, 1873.
Mendel's garden plot at the Augustine monastery.
The colored pea flower.
Peas are a popular crop and many varieties existed for Mendel to work with. This is an illustration from Album Bernay (1876-93), and shows some of the pea traits Mendel used.
Mendel as prelate of the Augustinian order, 1880.
Mendel was a school teacher. However, partly due to illness, he never actually passed his teaching exam though he tried twice.
Can Mendel's results be interpreted any other way?
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Gregor Mendel with fellow monks, around 1848.
Children resemble their parents.
Genes come in pairs.
Genes don't blend.
Some genes are dominant.
Genetic inheritance follows rules.
Genes are real things.
All cells arise from pre-existing cells.
Sex cells have one set of chromosomes; body cells have two.
Specialized chromosomes determine sex.
Chromosomes carry genes.
Genes get shuffled when chromosomes exchange pieces.
Evolution begins with the inheritance of gene variations.
Mendelian laws apply to human beings.
Mendelian genetics cannot fully explain human health and behavior.