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father of genetics; 19th century monk; argued that parents pass onto their offspring discrete heritable factors; cross-bred pea plants
law of dominance
in a pair of genes, the dominant trait is expressed; one trait is "masked" by other trait
with respect to meiosis
- each gamete contins a copy of each chromosome
- each chromosome is made up of genes
- each gene consists of an allele
- each allele in the Punnett Squares represents a gene
additive effect of 2 or more gene loci on a single phenotype; ex: height, skin color, weight
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