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14 Cards in this Set
- Front
- Back
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What is Heredity?
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The passing of traits from parent to offspring.
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What are alleles?
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The different forms of a gene for a trait.
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What is Genetics?
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The study of how traits are inherited.
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What is a trait?
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A genetically determined characteristic.
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Who was Gregor Mendel?
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The father of genetics.
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What did Mendel do?
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Studied pea plants and determined how traits are inherited.
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What is a purebred organism?
(also known as true breeding) |
An organism that always produces offspring that have the same traits as the parent.
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What is a dominant gene?
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A gene that covers the expression of another gene.
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What is a recessive gene?
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A gene that can be masked, covered up, by another gene.
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What is a Punnett Square?
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A tool used to predict the results of a genetic cross.
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What is a Geneotype?
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The genes, represented by letters, that make-up a trait.
example: TT, Tt, tt |
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What is a Phenotype?
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The expression of the genotype.
example: Tall, short |
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What is a homozygous genotype?
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A genotype where the genes are the same.
example: TT and tt |
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What is a heterozygous genotype?
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A genotype where the genes are different.
example: Tt |
