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20 Cards in this Set
- Front
- Back
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Genetics |
Study of Heredity |
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Heredity |
Passing on of traits from organisms to offsprings |
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Genes |
units of heredity (stuff inside cells that make you look like you) |
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Alleles |
different forms of genes |
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dominant Gene |
stronger form hides other forms |
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recessive Gene |
weaker form dissipeers when combined with dominant Gene |
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phenotypes |
physical appearence |
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genotypes |
gene makeup of organism, represented by letter pairs |
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purebred |
Genes are a like for a trait (homozygus) |
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hybrid |
genes are different for a trait (heterozygous) |
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Punnett Squares |
Chart that shows the percentage of getting a specific trait from the parents |
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Homozygous |
A person who has 2 recessive traits or 2 dominant traits |
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Heterozygous |
A person with 1 dominant and 1 recessive trait |
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Chromosomes |
thread like structures that carry genes |
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Sex Chromosomes |
A pair of chromosomes that determinants your gender |
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pedigree |
A family tree that shows a trait that is passed down through generations |
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Carrier |
A person who carries a trait but does not have that trait Example: Rr is red hair but the person carries the gene for black hair |
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Karyotype |
Shows size, number, and shape of the chromosomes in a organisms body |
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Mutation |
Changing in genes or chromosomes resulting from the environment around the organism |
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Mutagen |
something that causes a mutation |
