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EX. height in pea plant is controlled by a dominant tall allele or two recessive short alleles
traits have a heterozygous genotype that is intermediate between the dominant and recessive allele
EX. Some varities of flowering plants will produce a pink flowering version when a homozygous white are crossed
EX. a chicken that is homozygous black is crossed with a chicken that is homozygous white. Each offspring is black and white
traits that appear on the 23rd pair of chromosomes & are normally tfound on the "X" chromosome
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