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Genetics Flashcards
Term | Definition |
---|---|
dominant | an allele whose trait always shows up in the organism when the allele is present |
recessive | an allele that is masked when a dominant allele is present |
chromosome | a doubled rod of condensed chromatin; contains DNA that carries genetic information |
gene | a segment of DNA on a chromosome that codes for a specific trait |
alleles | the different forms of a gene |
homozygous | having two identical alleles for a trait |
heterozygous | having two different alleles for a trait |
genotype | an organism's genetic makeup, or allele combinations |
phenotype | an organism's physical appearance or visible traits |
offspring | the product or result of something |