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homozygous
both alleles code for the same form of a gene
heterozygous
alleles code for different forms of a gene
who is the father of classical genetics
Gregor Mendel
what did Gregor Mendel work on
pea plants because they were good for genetic study
why are pea plants good for genetic studies
they are diploid
many of their traits consist of 2 alleles
can use either self-fertilization or cross-fertilization
true breeders: when self-fertilizing, they always produce offspring with the same trait
phenotype
organism’s physical makeup
ex: 2 purple, 1 white
genotype
organism’s genetic makeup
ex: BB, Bb, bb
what is the male part of the pea plant
stamen
what part of the pea plant produces pollen (sperm)
anther
what is the female part of the pea plant
carpal
