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Genetics Vocab Words 1

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Term
Definition
Genotype   the combination of alleles that are present that give us our gene: some are dominant some are recessive  
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Phenotype   the physical traits SEEN that express the type of allele in the genotype  
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Heterozygous   a genotype where there is one dominant allele and one recessive allele in the gene; the dominant allele will be seen in the phenotype  
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Homozygous Dominant   a genotype where both alleles are dominant in the gene  
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Homozygous Recessive   a genotype where both alleles are recessive in the gene  
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Gene   the basic code for developing features that comes from two alleles on the paired chromosome  
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Chromosome   a structure in the nucleus that transfers genetic information from the parent cell to the daughter cell in living organisms; the transfer of chromosomes takes place during reproduction  
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Allele   variations of genes that determine traits in organisms; two corresponding alleles on two paired chromosomes constitutes a gene  
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DNA   inhereted information that is stored  
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Dominant   more inuential allele; will be seen in the phenotype if present in the genotype  
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Recessive   less inuential allele; will only be seen in the phenotype if it is the ONLY allele type present  
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Punnett Square   a process used to determine all of the possible genotypes for offspring of sexual reproduction  
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Meiosis   the process by which the number of chromosomes is reduced by half to form sex cells that will pass chromosomes onto the offspring  
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Created by: KBadgley
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