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14 Cards in this Set
- Front
- Back
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Genetics |
The scientific study of heredity
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Heredity |
The passing of traits from parents to offspring
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Trait |
Characteristic
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Gene |
a segment of DNA on a chromosome (in the nucleus) that codes for a specific trait, like a set of instructions |
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DNA |
An essential molecule for life. It acts like a recipe holding the instructions telling our bodies how to make us look. DNA stands for Deoxyribonucleic Acid.
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Chromosome |
made up of DNA, revive 23 from each parent
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Allele |
Different forms of a gene |
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Gregor Mendel |
Gregor Mendel discovered genetics. |
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Dominant Trait |
Trait always show up in the offspring; it covers up other traits
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Recessive Trait |
Trait that is masked, or covered up, IF a dominant allele is present |
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Phenotype |
physical expression of the genes |
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Genotype |
letter expression of the genes |
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Homozygous |
Having two of the same allele is also called being homozygous for a trait. |
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Heterozygous |
Having two different alleles is called being HETEROZYGOUS for a trait |
