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science ch.2
| Question | Answer |
|---|---|
| all of the features a person inherits from their parents | traits |
| a complete molecule shaped like a twisted ladder it contains all of the info required to produce a living thing | DNA |
| a part of the DNA code on a chromosomes humans have tens of thousands of genes on their chromosomes | Gene |
| the gene that an organism has, its genetic makeup | Genotype |
| what you see when you look at an organism its the genetic makeup and the environment's effect on the makeup | Phenotype |
| the passing of traits | Heredity |
| the study of heredity | Genetics |
| first researcher to use numbers to describe the results of genetic experiiments ( pea plants ) | Gregor Mendel |
| different forms of a gene | Allelle |
| when an allele will show their effect on the phenotype only when 2 of them for a train are present in the genotype | Recessive |
| mendel concluded that each parent passes only one of the allels for a trait to its offspring this explains why variation exists among the offspring of parents | Principles of Segregation |
| helps understand and make genetic predictions | Punnet Square |
| the change in the genetics of a species over time (Darwin's Theory) | evolution |
| organisms that are better adapted to an enviroment survive and repoduce at a greater rate than organsims that are not | Natural Selection |
| the process in which DNA changes results in new allels | Mutation |
| the production of several species from one ancesteral species | Adaptive radiation |
| when a species dies out | Extinction |
| every living thing has ___ , ___ that came from their parents | features, characteristics |
| each trait results from the __ info in the hereditary material called __, which is formed in every cell | coded, DNA |
| in cells that have a nucleus, __ is formed in chromosomes | DNA |
| some fish are born with the ability to change their __ | Gender |
| when an allele will show their effect on the phenotype whenever they are present in the genotype | Dominant |
| an international effort for providing info about genetics of humans | the human genome project |
| some environmental factors like __, __ , and __ limit whether a species can survive in that habitat | pollution, climate, rainfall |
| the __ and __ the animal the better chance it has to survive | bigger, stronger |
Created by:
haydenhenry
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