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18 Cards in this Set
- Front
- Back
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DNA Base Pairs: Adenine pairs with:
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Thymine
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Guanine pairs with:
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Cytosine
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Mitosis:
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creates new cells for the body, each has 46 chromosomes, creates exact copies
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Meiosis:
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creates sex cells (sperm and egg), each has 23 chromosomes
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Genetics:
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the study of genes
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Genes:
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set of instructions for an inherited trait.
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Traits:
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a genetically determined characteristic
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Heredity:
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the passing of genetic traits from parent to offspring
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Genotype:
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the entire genetic makeup of an organism
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Phenotype:
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an organisms appearance
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Heterozygous/ Hybrid:
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The organism has one dominant gene and one recessive gene (Bb)
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Homozygous Dominant:
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The organism has two dominant genes for that trait (BB)
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Homozygous Recessive:
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The organism has two recessive genes for that trait (bb)
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Gregor Mendel:
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The Father of Genetics. Studied heredity in pea plants.
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Gregor Mendel’s Ratio:
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3:1 – 3 dominant to 1 recessive
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Simple Dominance:
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A trait is expressed as either dominant or recessive.
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Co-Dominance:
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Both traits are dominant. Both traits are expressed at the same time. A cow with brown AND white spots.
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Incomplete Dominance:
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Both traits are dominant. A blending of traits is seen. Red flower plus white flower creates a pink flower.
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