Genetics vocabulary. Lab 54 vocabulary 1. Genetics- the study of heredity.
Transcript of Genetics vocabulary. Lab 54 vocabulary 1. Genetics- the study of heredity.
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Genetics vocabulary
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Lab 54 vocabulary
1. Genetics- the study of heredity.
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2. Characteristic: a feature or quality that helps to identify, tell apart, or describe a person or group of people.
• Example: eye color
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3. Trait- A different version of a characteristic •Example: brown eyes
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4. Heredity: the passing of genetic traits from parents to offspring.
•Ex. Having one parent’s eye color
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Lab 55 vocabulary
5. Inherited: traits that are passed from parents to children.
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6. offspring- the genetic product
of another organism
Lab 55 vocabulary
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Lab 56 vocabulary
•7. gene- the inherited bits of information that are passed directly from the parents’ cells to the child’s cells
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Lab 57 vocabulary
•8. Asexual Reproduction: creating offspring using genetic information from one parent.
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•9. Sexual Reproduction: creating offspring using genetic information from two parents.
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•10. Mutation: a random change in a gene that causes the offspring to have a different trait from its parent/s.
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•11. Cloning: a form of artificial asexual reproduction
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•12. Fertilization: the union of a sperm and egg cell to produce a new and different offspring.
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Lab 58
•13. hypothesis- an idea that is not proven but leads to further study or discussion
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•14. model- something or someone that is a very good example of something
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Lab 59
•15. allele- one of two or more forms of a gene
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•16. dominant- the form of a gene that masks the affect of the other when both are present.
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•17. recessive- the form of a gene that is masked or not seen by the dominant allele.
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•18. random- occurring with no pattern
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•19. probability- the chance of something occuring.
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Lab 60
•20. Gregor Mendel- an Austrian monk who first studied traits passed from parents to offspring.
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Lab 60
•21. breeding – The mating of two individuals to produce offspring with a desired characteristic.
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Lab 61
•22. homozygous – Having two of the same alleles such as TT or tt – “pure”.
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Lab 61
•23. heterozygous – Having two different alleles such as Tt – “hybrid”.
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Lab 63
24. Chromosome- an organized structure of DNA and protein that is found in cells.
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Lab 63
• Genotype-the specific allele makeup of the individual
Ex: HH, Hh, hh
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Lab 63
• Phenotype- is any observable characteristic or trait of an organism
What you see-blue eyes, brown hair…
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25. DNA- (deoxyribonucleic acid) is the hereditary material in humans and almost all other organisms. Located in a cell’s nucleus.