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20 Cards in this Set
- Front
- Back
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There are four bases, what are they and what ones pair with what? |
Adenine (A), Guanine (G), Thymine (T) and Cytosine (C) - Thymine pairs with Adenine and Guanine pairs with Cytosine |
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What does mRNA do? |
mRNA carries genetic information from the nucleus to the site of protein synthesis (ribosome) in the cytoplasm to be translated |
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Enzymes are also? |
Proteins |
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Mutations can be caused by? |
Radiation, Chemicals, Viruses or Natural causes |
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What are Gametes? |
Sex Cells |
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What are Alleles? |
Alleles are different forms of the same gene |
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What is a zygote? |
A zygote is a fertilized egg cell |
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What is protein synthesis made of? |
Amino Acids |
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What is a phenotype? |
The physical appearance of an individual |
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A human egg cell contains? |
An X chromosome and 22 others |
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The information carried by a DNA molecule is in? |
The order of the nucleotides in the molecule |
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Homozygous means? |
Having two identical alleles that code for the same trait i.e. aa or AA |
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What is the same of a DNA molecule? |
A double Helix |
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What is a genotype? |
the entire set of genes in an organism |
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What is heterozygous? Give an example |
Carries two different alleles of a different gene e.g. Aa |
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What does recessive mean? |
A gene that is masked by alternate (dominate) genes |
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What is a MonoHybrid ? |
Mono = One Hybrid = Cross - The cross between the parents with different alleles for a single gene. |
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What does DNA stand for? |
Deoxyribonucleic Acid |
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What does a pedigree show? |
The relationship between individuals in a family |
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How many chromosomes do humans have? |
Humans have 46 chromosomes |
