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Mendel's Law of Dominance (Scientists (Gregor Mendel (Proposed the 3…
Mendel's Law of Dominance
DNA
Alleles
Forms of a gene
Homozygous dominant
Heterozygous
Hybrid
Homozygous recessive
Genotype
All traits
Dominant trait
Complete
Incomplete
Appears
Recessive trait(s)
Does not appear
Passed from parents to offspring
Chemical traits
Phenotype
Physical traits
What is seen
Genes
Portion of DNA
Hereditary
Influenced by inherited alleles
Gametes
Sex cells
One copy of chromosomes
Scientists
Gregor Mendel
Proposed the 3 Laws of Genetics
Pea plant experiment
Geneticist
Reginald C. Punnett
Punnett Square
Geneticist
Hugo de Vries
Rediscovered laws of heredity
Botanist/Geneticist
Carl Correns
Rediscovered laws of inheritance
Botanist/geneticist
Independent discovery of genetics
Erich von Tshermak
Rediscovered Mendelian laws
Agronomist
Independent discovery of genetics
Law
Isn't mathematical
Explains how it works
Punnett square
Probability of features
Law of Dominance
One trait suppresses another
Dominant to one trait
Recessive to one trait
Prediction based on observation
Dominant trait will usually arise
Absent dominant trait
Recessive trait will appear
Specific time and conditions
Pea plant experiment
Fertilise mother plant
All offspring are tall
Short parent and tall parent
Mendel spent years observing
Conditions for offspring was controlled
Other Laws
Mendel's Law of Segregation
Mendel's Law of Independent Assortment
