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biology vocab

TermDefinition
Genetics This is the study of the transmission of characteristics from parent to offspring
Trait A specific characteristic, like hair color, that varies for every person
Hybrid The combination of the parents different traits in their offspring
Segregation Separation of alleles
Gametes These are sex cells that have half the number of chromosomes as the parent
Homozygous Two of the same alleles, for example: RR or rr
Heterozygous Two different alleles, for example: Rr
Genotype An organism's full genetic information
Phenotype An organism's observed properties like behavior and development
Independent Assortment States that the alleles separate after gametes are formed
Incomplete Dominance Is when neither alleles in a trait are dominant
Co-Dominance Is when both alleles in a trait are dominant
Multiple Alleles Is when a trait has 3 or more alleles
Polygenetic Traits When the phenotype is influenced by more than one trait
Haploid The number of cells in a regular nucleus
Diploid Half the number of cells in sex cells
Meiosis Division of sex cells
Tetrad A group of four chromosomes that come together during sexual reproduction. Crossing over results in this process. Tetrads are homologous chromosomes.
Created by: jojowhl
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