The physical appearance of an organism is called its
phenotype
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The genetic makeup of an organism is called its
genotype
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He is referred to as the "Father of Genetics"
Gregor Mendel
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When an organism has two identical alleles it is called
homozygous / purebred
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When an organism has two different alleles it is called
heterozygous / hybrid
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This tool is used to predict the possible genotypes and phenotypes of the offspring of two parents
Punnett square
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This allele always takes over and is expressed in the offspring
dominant
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This allele is only expressed in the homozygous form. Two alleles must be present for it to show up.
recessive
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On a Punnett square, who is represented by the genotypes OUTSIDE the box?
the parents
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On a Punnett square, who is represented by the genotypes INSIDE the boxes?
Possible offspring / children
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If there is a 100% chance that the children produced by two parents will have the recessive trait of BLUE eyes, what MUST the genotypes of the parents be?
