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32 Cards in this Set
- Front
- Back
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What are the 3 parts of a nucleotide? |
1. Phosphate 2. Deoxyribose Sugar 3. Nitrogen containing base (A,T,C,G) |
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What is the type of bond that holds the bases together in DNA? |
Hydrogen bond |
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What type of bond connects the sugar/ phosphate backbone? |
Covalent bond |
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What is Chargaff's Rule? |
"A" always bonds with "T"
"C" always bonds with "G" |
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What is the enzyme that unwinds and unzips? |
Helicase |
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What shape is a DNA molecule? |
A double Helix shape |
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What are the 4 nitrogen containing bases? |
1. Thymine 2. Adenine 3. Cytosine 4. Guanine |
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What does a nucleotide look like? |
Circle (phosphate) Pentagon (Deoxyribose sugar) Half long circle (Nitrogen base)
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What parts of the nucleotides make up the sides (backbone) of the ladder? |
The phosphate & Deoxyribose sugars |
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How many hydrogen bonds connect Cytosine and Guanine? |
3 Hydrogen bonds |
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How many hydrogen bonds connect Adenine and Thymine? |
2 Hydrogen bonds |
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What is the primary function of DNA in cells? |
To store information that tells the cells which proteins to make |
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What is the full name for DNA? |
Deoxyribonucleic Acid |
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What two scientists established the structure of DNA? |
James Watson & Francis Crick |
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What is the definition of Genetics? |
The scientific study of heredity |
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What is the definition of Heredity? |
The passing of traits from parent to offspring |
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What is the definition of a Trait? |
A physical characteristic |
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What is the definition of True Breeding? |
Produces plant (offspring) with identical traits to a single parent plant that self pollinated |
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What is the definition of Cross Pollination? |
Produces a plant (offspring) that has two different parents
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What is the definition of Hybrids? |
The offspring of crosses between parents with different traits |
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What is the definition of "P"? |
The original organisms (Parental Generation) |
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What is the definition of "F"? |
The offspring of the parental generation (First Filial Generation) |
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What is the definition of Filial? |
Son |
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What is the definition of Genes? |
A segment of DNA on a chromosome that codes for a particular trait (example: Height) |
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What is the definition of Alleles? |
The different forms of a gene (example: tall or short) |
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What are both the male and female roles of fertilization? |
Male- Stamen: Anther & Filament
Female- Pistil: Stigma, Style, and ovary |
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What is the definition of Incomplete Dominance? |
When neither alleles are dominant enough to see so they're blended |
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What is the code for type "A" blood? |
IA |
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What is the code for type "B" blood? |
IB |
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What is the code for type "O" blood? |
i |
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What is the symbol for boy chromosomes? |
XY |
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What is the symbol for girl chromosomes? |
XX |
